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213896572984768 = 2616744944571889
BaseRepresentation
bin110000101000100110101101…
…010000000101110111000000
31001001100022102221101020222011
4300220212231100011313000
5211013440140141003033
62034530421252422304
763024342322604542
oct6050465520056700
91031308387336864
10213896572984768
11621770331a5643
121bba6709617994
13924748b70c01b
143ab6913c31692
1519ade19e60ccd
hexc289ad405dc0

213896572984768 has 56 divisors (see below), whose sum is σ = 427943630268000. Its totient is φ = 106071109337088.

The previous prime is 213896572984763. The next prime is 213896572984769. The reversal of 213896572984768 is 867489275698312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213896572984763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17487033 + ... + 27084856.

It is an arithmetic number, because the mean of its divisors is an integer number (7641850540500).

Almost surely, 2213896572984768 is an apocalyptic number.

It is an amenable number.

213896572984768 is an abundant number, since it is smaller than the sum of its proper divisors (214047057283232).

213896572984768 is a wasteful number, since it uses less digits than its factorization.

213896572984768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44572517 (or 44572507 counting only the distinct ones).

The product of its digits is 17557585920, while the sum is 85.

The spelling of 213896572984768 in words is "two hundred thirteen trillion, eight hundred ninety-six billion, five hundred seventy-two million, nine hundred eighty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 167 334 449 668 898 1336 1796 2672 3592 5344 7184 10688 14368 28736 74983 149966 299932 599864 1199728 2399456 4798912 44571889 89143778 178287556 356575112 713150224 1426300448 2852600896 7443505463 14887010926 20012778161 29774021852 40025556322 59548043704 80051112644 119096087408 160102225288 238192174816 320204450576 476384349632 640408901152 1280817802304 3342133952887 6684267905774 13368535811548 26737071623096 53474143246192 106948286492384 213896572984768