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12946498165632 = 273131299985817
BaseRepresentation
bin1011110001100101011101…
…1011001001101110000000
31200211200011201100201222110
42330121113123021232000
53144103412012300012
643311312242335320
72504232202456113
oct274312733115600
950750151321873
1012946498165632
114141640777759
12155115005a540
1372bb07589165
1432a8845ba57a
15176b7c67173c
hexbc6576c9b80

12946498165632 has 128 divisors (see below), whose sum is σ = 34663606560000. Its totient is φ = 4281078763520.

The previous prime is 12946498165621. The next prime is 12946498165669. The reversal of 12946498165632 is 23656189464921.

12946498165632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×129464981656322 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150818788 + ... + 150904604.

It is an arithmetic number, because the mean of its divisors is an integer number (270809426250).

Almost surely, 212946498165632 is an apocalyptic number.

12946498165632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12946498165632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17331803280000).

12946498165632 is an abundant number, since it is smaller than the sum of its proper divisors (21717108394368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12946498165632 is a wasteful number, since it uses less digits than its factorization.

12946498165632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88964 (or 88952 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 66.

The spelling of 12946498165632 in words is "twelve trillion, nine hundred forty-six billion, four hundred ninety-eight million, one hundred sixty-five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 131 192 262 384 393 524 786 1048 1572 2096 2999 3144 4192 5998 6288 8384 8997 11996 12576 16768 17994 23992 25152 35988 47984 50304 71976 85817 95968 143952 171634 191936 257451 287904 343268 383872 392869 514902 575808 686536 785738 1029804 1151616 1178607 1373072 1571476 2059608 2357214 2746144 3142952 4119216 4714428 5492288 6285904 8238432 9428856 10984576 11242027 12571808 16476864 18857712 22484054 25143616 32953728 33726081 37715424 44968108 50287232 67452162 75430848 89936216 134904324 150861696 179872432 257365183 269808648 359744864 514730366 539617296 719489728 772095549 1029460732 1079234592 1438979456 1544191098 2058921464 2158469184 3088382196 4117842928 4316938368 6176764392 8235685856 12353528784 16471371712 24707057568 32942743424 33714838973 49414115136 67429677946 98828230272 101144516919 134859355892 202289033838 269718711784 404578067676 539437423568 809156135352 1078874847136 1618312270704 2157749694272 3236624541408 4315499388544 6473249082816 12946498165632