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40864600687 = 2313981115761
BaseRepresentation
bin100110000011101110…
…000101001001101111
310220110220221210200011
4212003232011021233
51132142314210222
630434542114051
72644443242341
oct460356051157
9126426853604
1040864600687
1116370002369
127b0557b927
133b132334c1
141d99351291
1510e286ec77
hex983b8526f

40864600687 has 16 divisors (see below), whose sum is σ = 43003779840. Its totient is φ = 38756361600.

The previous prime is 40864600649. The next prime is 40864600729. The reversal of 40864600687 is 78600646804.

40864600687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40864600687 - 27 = 40864600559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40864600687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40064600687) 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, 2584887 + ... + 2600647.

It is an arithmetic number, because the mean of its divisors is an integer number (2687736240).

Almost surely, 240864600687 is an apocalyptic number.

40864600687 is a deficient number, since it is larger than the sum of its proper divisors (2139179153).

40864600687 is a wasteful number, since it uses less digits than its factorization.

40864600687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16734.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 40864600687 in words is "forty billion, eight hundred sixty-four million, six hundred thousand, six hundred eighty-seven".

Divisors: 1 23 139 811 3197 15761 18653 112729 362503 2190779 2592767 12782171 50387917 293989933 1776721769 40864600687