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207883474661864 = 231713111668358479
BaseRepresentation
bin101111010001000110100100…
…101010010111000111101000
31000021001110120210000221221102
4233101012210222113013220
5204221430324003134424
62014044203323100532
761534041203310131
oct5721064452270750
91007043523027842
10207883474661864
1160268982a32341
121b395263071748
138bcc434803201
143949884600c88
1519077d61037ae
hexbd11a4a971e8

207883474661864 has 32 divisors (see below), whose sum is σ = 415860296227200. Its totient is φ = 97080742536960.

The previous prime is 207883474661857. The next prime is 207883474661879. The reversal of 207883474661864 is 468166474388702.

It is a junction number, because it is equal to n+sod(n) for n = 207883474661791 and 207883474661800.

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 7 ways as a sum of consecutive naturals, for example, 5834161424 + ... + 5834197055.

It is an arithmetic number, because the mean of its divisors is an integer number (12995634257100).

Almost surely, 2207883474661864 is an apocalyptic number.

It is an amenable number.

207883474661864 is an abundant number, since it is smaller than the sum of its proper divisors (207976821565336).

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

207883474661864 is a wasteful number, since it uses less digits than its factorization.

207883474661864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668358633 (or 11668358629 counting only the distinct ones).

The product of its (nonzero) digits is 2080899072, while the sum is 74.

The spelling of 207883474661864 in words is "two hundred seven trillion, eight hundred eighty-three billion, four hundred seventy-four million, six hundred sixty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 17 34 68 131 136 262 524 1048 2227 4454 8908 17816 11668358479 23336716958 46673433916 93346867832 198362094143 396724188286 793448376572 1528554960749 1586896753144 3057109921498 6114219842996 12228439685992 25985434332733 51970868665466 103941737330932 207883474661864