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65072680898 = 21914942127299
BaseRepresentation
bin111100100110101000…
…100100111111000010
320012222000201200202112
4330212220210333002
52031232101242043
645521033215322
74462363442561
oct744650447702
9205860650675
1065072680898
1125662917325
1210740861542
1361a0685914
143214473bd8
151a5cc64518
hexf26a24fc2

65072680898 has 32 divisors (see below), whose sum is σ = 103685400000. Its totient is φ = 30543186240.

The previous prime is 65072680891. The next prime is 65072680951. The reversal of 65072680898 is 89808627056.

65072680898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65072680891) 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, 2370053 + ... + 2397351.

It is an arithmetic number, because the mean of its divisors is an integer number (3240168750).

Almost surely, 265072680898 is an apocalyptic number.

65072680898 is a deficient number, since it is larger than the sum of its proper divisors (38612719102).

65072680898 is a wasteful number, since it uses less digits than its factorization.

65072680898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27890.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 65072680898 in words is "sixty-five billion, seventy-two million, six hundred eighty thousand, eight hundred ninety-eight".

Divisors: 1 2 19 38 149 298 421 842 2831 5662 7999 15998 27299 54598 62729 125458 518681 1037362 1191851 2383702 4067551 8135102 11492879 22985758 77283469 154566938 218364701 436729402 1712438971 3424877942 32536340449 65072680898