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75648680863 = 723677012949
BaseRepresentation
bin100011001110100000…
…0110100001110011111
321020021002100011021221
41012131000310032133
52214412030241423
654430313434211
75315434114660
oct1063500641637
9236232304257
1075648680863
112a09a787668
12127b270b967
1371977b7972
143938cd3367
151e7b49de5d
hex119d03439f

75648680863 has 16 divisors (see below), whose sum is σ = 91561075200. Its totient is φ = 61096802976.

The previous prime is 75648680813. The next prime is 75648680873. The reversal of 75648680863 is 36808684657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75648680863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75648680813) 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, 3495688 + ... + 3517261.

It is an arithmetic number, because the mean of its divisors is an integer number (5722567200).

Almost surely, 275648680863 is an apocalyptic number.

75648680863 is a deficient number, since it is larger than the sum of its proper divisors (15912394337).

75648680863 is a wasteful number, since it uses less digits than its factorization.

75648680863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013046.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 75648680863 in words is "seventy-five billion, six hundred forty-eight million, six hundred eighty thousand, eight hundred sixty-three".

Divisors: 1 7 23 67 161 469 1541 10787 7012949 49090643 161297827 469867583 1129084789 3289073081 10806954409 75648680863