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85862649818 = 2114762381953
BaseRepresentation
bin100111111110111010…
…0000000111111011010
322012121220201112122102
41033331310000333122
52401321314243233
6103240022323402
76126520324061
oct1177564007732
9265556645572
1085862649818
1133461255720
1214783289562
13813491068a
1442276331d8
1523780251e8
hex13fdd00fda

85862649818 has 16 divisors (see below), whose sum is σ = 140507182656. Its totient is φ = 39027181440.

The previous prime is 85862649799. The next prime is 85862649823. The reversal of 85862649818 is 81894626858.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006730 + ... + 1088682.

It is an arithmetic number, because the mean of its divisors is an integer number (8781698916).

Almost surely, 285862649818 is an apocalyptic number.

85862649818 is a deficient number, since it is larger than the sum of its proper divisors (54644532838).

85862649818 is a wasteful number, since it uses less digits than its factorization.

85862649818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129589.

The product of its digits is 53084160, while the sum is 65.

The spelling of 85862649818 in words is "eighty-five billion, eight hundred sixty-two million, six hundred forty-nine thousand, eight hundred eighteen".

Divisors: 1 2 11 22 47623 81953 95246 163906 523853 901483 1047706 1802966 3902847719 7805695438 42931324909 85862649818