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36685368685 = 571275782163
BaseRepresentation
bin100010001010100111…
…100100110101101101
310111200122222211010201
4202022213210311231
51100112423244220
624504130433501
72436045326440
oct421247446555
9114618884121
1036685368685
1114615a30519
127139a32891
1335c8449664
141ac02a3657
15e4a9e3d0a
hex88a9e4d6d

36685368685 has 16 divisors (see below), whose sum is σ = 50315918976. Its totient is φ = 25153403328.

The previous prime is 36685368683. The next prime is 36685368697. The reversal of 36685368685 is 58686358663.

It is a happy number.

36685368685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36685368685 - 21 = 36685368683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36685368683) 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, 405414 + ... + 487576.

It is an arithmetic number, because the mean of its divisors is an integer number (3144744936).

Almost surely, 236685368685 is an apocalyptic number.

36685368685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36685368685 is a deficient number, since it is larger than the sum of its proper divisors (13630550291).

36685368685 is a wasteful number, since it uses less digits than its factorization.

36685368685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94932.

The product of its digits is 149299200, while the sum is 64.

The spelling of 36685368685 in words is "thirty-six billion, six hundred eighty-five million, three hundred sixty-eight thousand, six hundred eighty-five".

Divisors: 1 5 7 35 12757 63785 82163 89299 410815 446495 575141 2875705 1048153391 5240766955 7337073737 36685368685