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12988794429936 = 2433132312819521
BaseRepresentation
bin1011110100000011000001…
…1110100110000111110000
31200222201100102020120221000
42331000300132212013300
53200302022333224221
643342545250202000
72510260302002043
oct275006036460760
950881312216830
1012988794429936
114158575925096
121559394b83300
13732ab82a63a0
1432c937b22c5a
15177d05a3ce26
hexbd0307a61f0

12988794429936 has 80 divisors (see below), whose sum is σ = 40150546901920. Its totient is φ = 3996552130560.

The previous prime is 12988794429883. The next prime is 12988794429971. The reversal of 12988794429936 is 63992449788921.

12988794429936 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 87 + 9 + 442 + 9 + 93 + 6 = 666.

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, 1156404145 + ... + 1156415376.

It is an arithmetic number, because the mean of its divisors is an integer number (501881836274).

Almost surely, 212988794429936 is an apocalyptic number.

12988794429936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12988794429936 is an abundant number, since it is smaller than the sum of its proper divisors (27161752471984).

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

12988794429936 is a wasteful number, since it uses less digits than its factorization.

12988794429936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312819551 (or 2312819539 counting only the distinct ones).

The product of its digits is 3386105856, while the sum is 81.

The spelling of 12988794429936 in words is "twelve trillion, nine hundred eighty-eight billion, seven hundred ninety-four million, four hundred twenty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 2312819521 4625639042 6938458563 9251278084 13876917126 18502556168 20815375689 27753834252 30066653773 37005112336 41630751378 55507668504 60133307546 62446127067 83261502756 90199961319 111015337008 120266615092 124892254134 166523005512 180399922638 240533230184 249784508268 270599883957 333046011024 360799845276 481066460368 499569016536 541199767914 721599690552 811799651871 999138033072 1082399535828 1443199381104 1623599303742 2164799071656 3247198607484 4329598143312 6494397214968 12988794429936