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85695255790 = 2531416742349
BaseRepresentation
bin100111111001111010…
…1011101010011101110
322012012020202001012121
41033303311131103232
52401000441141130
6103211242423154
76122415440614
oct1176365352356
9265166661177
1085695255790
1133385813051
1214737201aba
138109031561
14420d2db6b4
1523684abd7a
hex13f3d5d4ee

85695255790 has 32 divisors (see below), whose sum is σ = 163110931200. Its totient is φ = 32363270400.

The previous prime is 85695255773. The next prime is 85695255803. The reversal of 85695255790 is 9755259658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3358465 + ... + 3383884.

It is an arithmetic number, because the mean of its divisors is an integer number (5097216600).

Almost surely, 285695255790 is an apocalyptic number.

85695255790 is a deficient number, since it is larger than the sum of its proper divisors (77415675410).

85695255790 is a wasteful number, since it uses less digits than its factorization.

85695255790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742428.

The product of its (nonzero) digits is 34020000, while the sum is 61.

The spelling of 85695255790 in words is "eighty-five billion, six hundred ninety-five million, two hundred fifty-five thousand, seven hundred ninety".

Divisors: 1 2 5 10 31 41 62 82 155 205 310 410 1271 2542 6355 12710 6742349 13484698 33711745 67423490 209012819 276436309 418025638 552872618 1045064095 1382181545 2090128190 2764363090 8569525579 17139051158 42847627895 85695255790