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191485635431084 = 22181211264174961
BaseRepresentation
bin101011100010011110111001…
…010001111000101010101100
3221002222211220011120020100122
4223202132321101320222230
5200044300040132243314
61515131141515344112
755222244360514131
oct5342367121705254
9832884804506318
10191485635431084
11560166691a9465
1219587247a52038
1382b0030553847
14353dd504a8588
151720eaa39c28e
hexae27b9478aac

191485635431084 has 12 divisors (see below), whose sum is σ = 335101712497608. Its totient is φ = 95742289003200.

The previous prime is 191485635431059. The next prime is 191485635431117. The reversal of 191485635431084 is 480134536584191.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131362637 + ... + 132812324.

It is an arithmetic number, because the mean of its divisors is an integer number (27925142708134).

Almost surely, 2191485635431084 is an apocalyptic number.

It is an amenable number.

191485635431084 is a deficient number, since it is larger than the sum of its proper divisors (143616077066524).

191485635431084 is a wasteful number, since it uses less digits than its factorization.

191485635431084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264356176 (or 264356174 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 191485635431084 in words is "one hundred ninety-one trillion, four hundred eighty-five billion, six hundred thirty-five million, four hundred thirty-one thousand, eighty-four".

Divisors: 1 2 4 181211 362422 724844 264174961 528349922 1056699844 47871408857771 95742817715542 191485635431084