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207015275420 = 22528336575137
BaseRepresentation
bin1100000011001100010…
…0100110101110011100
3201210100020202121012222
43000303010212232130
511342431402303140
6235033531444512
720646013544012
oct3006304465634
9653306677188
10207015275420
117a8817a9488
1234154bb6738
13166a1842c15
14a03ba968b2
1555b92a95b5
hex3033126b9c

207015275420 has 24 divisors (see below), whose sum is σ = 436268246064. Its totient is φ = 82513506816.

The previous prime is 207015275399. The next prime is 207015275471. The reversal of 207015275420 is 24572510702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18281909 + ... + 18293228.

It is an arithmetic number, because the mean of its divisors is an integer number (18177843586).

Almost surely, 2207015275420 is an apocalyptic number.

207015275420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207015275420 is an abundant number, since it is smaller than the sum of its proper divisors (229252970644).

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

207015275420 is a wasteful number, since it uses less digits than its factorization.

207015275420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36575429 (or 36575427 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The spelling of 207015275420 in words is "two hundred seven billion, fifteen million, two hundred seventy-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 36575137 73150274 146300548 182875685 365751370 731502740 10350763771 20701527542 41403055084 51753818855 103507637710 207015275420