Search a number
-
+
48731719968 = 2532677873209
BaseRepresentation
bin101101011000101000…
…110000100100100000
311122210012022212111100
4231120220300210200
51244300310014333
634215333514400
73343421533221
oct553050604440
9148705285440
1048731719968
1119737870538
1295401a2a00
13479808c879
142504109248
15140336d213
hexb58a30920

48731719968 has 144 divisors (see below), whose sum is σ = 140871800160. Its totient is φ = 15976147968.

The previous prime is 48731719961. The next prime is 48731719969. The reversal of 48731719968 is 86991713784.

48731719968 is a `hidden beast` number, since 487 + 3 + 1 + 7 + 1 + 99 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (48731719961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15184348 + ... + 15187556.

It is an arithmetic number, because the mean of its divisors is an integer number (978276390).

Almost surely, 248731719968 is an apocalyptic number.

48731719968 is a gapful number since it is divisible by the number (48) 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 48731719968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70435900080).

48731719968 is an abundant number, since it is smaller than the sum of its proper divisors (92140080192).

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

48731719968 is a wasteful number, since it uses less digits than its factorization.

48731719968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079 (or 4068 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The spelling of 48731719968 in words is "forty-eight billion, seven hundred thirty-one million, seven hundred nineteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 67 72 96 134 144 201 268 288 402 536 603 787 804 1072 1206 1574 1608 2144 2361 2412 3148 3209 3216 4722 4824 6296 6418 6432 7083 9444 9627 9648 12592 12836 14166 18888 19254 19296 25184 25672 28332 28881 37776 38508 51344 52729 56664 57762 75552 77016 102688 105458 113328 115524 154032 158187 210916 215003 226656 231048 308064 316374 421832 430006 462096 474561 632748 645009 843664 860012 924192 949122 1265496 1290018 1687328 1720024 1898244 1935027 2525483 2530992 2580036 3440048 3796488 3870054 5050966 5061984 5160072 6880096 7576449 7592976 7740108 10101932 10320144 15152898 15185952 15480216 20203864 20640288 22729347 30305796 30960432 40407728 45458694 60611592 61920864 80815456 90917388 121223184 169207361 181834776 242446368 338414722 363669552 507622083 676829444 727339104 1015244166 1353658888 1522866249 2030488332 2707317776 3045732498 4060976664 5414635552 6091464996 8121953328 12182929992 16243906656 24365859984 48731719968