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12799706448 = 2432333135027
BaseRepresentation
bin10111110101110110…
…00000010101010000
31020001000220110100210
423322323000111100
5202203211101243
65514034044120
7632121465264
oct137273002520
936030813323
1012799706448
1154791119a1
122592719640
13128ca43bc9
14895d0c0a4
154eda8a933
hex2faec0550

12799706448 has 80 divisors (see below), whose sum is σ = 34608784896. Its totient is φ = 4068620160.

The previous prime is 12799706429. The next prime is 12799706509. The reversal of 12799706448 is 84460799721.

It is a happy number.

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, 347911 + ... + 382937.

Almost surely, 212799706448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12799706448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17304392448).

12799706448 is an abundant number, since it is smaller than the sum of its proper divisors (21809078448).

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

12799706448 is a wasteful number, since it uses less digits than its factorization.

12799706448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35392 (or 35386 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 12799706448 in words is "twelve billion, seven hundred ninety-nine million, seven hundred six thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 331 368 552 662 993 1104 1324 1986 2648 3972 5296 7613 7944 15226 15888 22839 30452 35027 45678 60904 70054 91356 105081 121808 140108 182712 210162 280216 365424 420324 560432 805621 840648 1611242 1681296 2416863 3222484 4833726 6444968 9667452 11593937 12889936 19334904 23187874 34781811 38669808 46375748 69563622 92751496 139127244 185502992 266660551 278254488 533321102 556508976 799981653 1066642204 1599963306 2133284408 3199926612 4266568816 6399853224 12799706448