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207345185060 = 225135717139493
BaseRepresentation
bin1100000100011010111…
…1000111000100100100
3201211012020112202011112
43001012233013010210
511344120331410220
6235130354524152
720660130664466
oct3010657070444
9654166482145
10207345185060
117aa30a51482
1234227596658
1316724cb3820
14a06d814136
1555d82255c5
hex3046bc7124

207345185060 has 48 divisors (see below), whose sum is σ = 469004494896. Its totient is φ = 76544282112.

The previous prime is 207345185057. The next prime is 207345185083. The reversal of 207345185060 is 60581543702.

It can be written as a sum of positive squares in 8 ways, for example, as 5569935424 + 201775249636 = 74632^2 + 449194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 207345184999 and 207345185017.

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, 1416674 + ... + 1556166.

It is an arithmetic number, because the mean of its divisors is an integer number (9770926977).

Almost surely, 2207345185060 is an apocalyptic number.

207345185060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207345185060 is an abundant number, since it is smaller than the sum of its proper divisors (261659309836).

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

207345185060 is a wasteful number, since it uses less digits than its factorization.

207345185060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145232 (or 145230 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 207345185060 in words is "two hundred seven billion, three hundred forty-five million, one hundred eighty-five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5717 11434 22868 28585 57170 74321 114340 139493 148642 278986 297284 371605 557972 697465 743210 1394930 1486420 1813409 2789860 3626818 7253636 9067045 18134090 36268180 797481481 1594962962 3189925924 3987407405 7974814810 10367259253 15949629620 20734518506 41469037012 51836296265 103672592530 207345185060