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216607725012 = 22373491973847
BaseRepresentation
bin1100100110111011010…
…0111001010111010100
3202201002202122112021210
43021232310321113110
512022103034200022
6243301435141420
721435512166240
oct3115664712724
9681082575253
10216607725012
1183954460878
1235b915a4870
131756cc771b3
14a6aba4b420
15597b4b1a0c
hex326ed395d4

216607725012 has 48 divisors (see below), whose sum is σ = 577644963840. Its totient is φ = 61885311072.

The previous prime is 216607724987. The next prime is 216607725017. The reversal of 216607725012 is 210527706612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216607725017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896273 + ... + 2970119.

It is an arithmetic number, because the mean of its divisors is an integer number (12034270080).

Almost surely, 2216607725012 is an apocalyptic number.

It is an amenable number.

216607725012 is an abundant number, since it is smaller than the sum of its proper divisors (361037238828).

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

216607725012 is a wasteful number, since it uses less digits than its factorization.

216607725012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108780 (or 108778 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 216607725012 in words is "two hundred sixteen billion, six hundred seven million, seven hundred twenty-five thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 34919 69838 73847 104757 139676 147694 209514 221541 244433 295388 419028 443082 488866 516929 733299 886164 977732 1033858 1466598 1550787 2067716 2933196 3101574 6203148 2578663393 5157326786 7735990179 10314653572 15471980358 18050643751 30943960716 36101287502 54151931253 72202575004 108303862506 216607725012