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71708707852 = 2259303850457
BaseRepresentation
bin100001011001000101…
…1000000110000001100
320212002111120210101121
41002302023000300030
52133324412122402
652535330250324
75116002650125
oct1026213006014
9225074523347
1071708707852
1128458772621
1211a931269a4
1369ba4525a2
14368392704c
151cea634837
hex10b22c0c0c

71708707852 has 12 divisors (see below), whose sum is σ = 127617192360. Its totient is φ = 35246652896.

The previous prime is 71708707787. The next prime is 71708707853. The reversal of 71708707852 is 25870780717.

It is a self number, because there is not a number n which added to its sum of digits gives 71708707852.

It is not an unprimeable number, because it can be changed into a prime (71708707853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151924993 + ... + 151925464.

It is an arithmetic number, because the mean of its divisors is an integer number (10634766030).

Almost surely, 271708707852 is an apocalyptic number.

It is an amenable number.

71708707852 is a deficient number, since it is larger than the sum of its proper divisors (55908484508).

71708707852 is a wasteful number, since it uses less digits than its factorization.

71708707852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303850520 (or 303850518 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 52.

The spelling of 71708707852 in words is "seventy-one billion, seven hundred eight million, seven hundred seven thousand, eight hundred fifty-two".

Divisors: 1 2 4 59 118 236 303850457 607700914 1215401828 17927176963 35854353926 71708707852