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16391875126482 = 2341931656131657
BaseRepresentation
bin1110111010001000011111…
…1001001110010011010010
32011001001021221221211120000
43232202013321032103102
54122031030013021412
654510153512030430
73311162642436552
oct356420771162322
964031257854500
1016391875126482
11524a8341a0069
121a08a31992416
1391b99377128b
14409529dcd162
151d65cc35e4dc
hexee887e4e4d2

16391875126482 has 80 divisors (see below), whose sum is σ = 36923648673912. Its totient is φ = 5435147796480.

The previous prime is 16391875126477. The next prime is 16391875126499. The reversal of 16391875126482 is 28462157819361.

It is a happy number.

16391875126482 is a `hidden beast` number, since 1 + 6 + 3 + 9 + 1 + 87 + 51 + 26 + 482 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7600833955521 + 8791041170961 = 2756961^2 + 2964969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 517780398 + ... + 517812054.

Almost surely, 216391875126482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16391875126482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18461824336956).

16391875126482 is an abundant number, since it is smaller than the sum of its proper divisors (20531773547430).

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

16391875126482 is a wasteful number, since it uses less digits than its factorization.

16391875126482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48425 (or 48416 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 16391875126482 in words is "sixteen trillion, three hundred ninety-one billion, eight hundred seventy-five million, one hundred twenty-six thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 193 386 579 1158 1737 3474 5211 10422 15633 16561 31266 31657 33122 49683 63314 94971 99366 149049 189942 284913 298098 447147 569826 854739 894294 1341441 1709478 2564217 2682882 3196273 5128434 6109801 6392546 9588819 12219602 18329403 19177638 28766457 36658806 54988209 57532914 86299371 109976418 164964627 172598742 258898113 329929254 494893881 517796226 524271577 989787762 1048543154 1572814731 3145629462 4718444193 9436888386 14155332579 28310665158 42465997737 84931995474 101184414361 202368828722 303553243083 607106486166 910659729249 1821319458498 2731979187747 5463958375494 8195937563241 16391875126482