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190979134688 = 2531192519289
BaseRepresentation
bin1011000111011100111…
…1100101010011100000
3200020221122221020122202
42301313033211103200
511112111124302223
6223422401352332
716540432601066
oct2616717452340
9606848836582
10190979134688
1173aa2819611
123101a6386a8
1315017444954
149359dd8036
154e7b525428
hex2c773e54e0

190979134688 has 24 divisors (see below), whose sum is σ = 388118888640. Its totient is φ = 92409258240.

The previous prime is 190979134681. The next prime is 190979134751. The reversal of 190979134688 is 886431979091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190979134681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96258653 + ... + 96260636.

It is an arithmetic number, because the mean of its divisors is an integer number (16171620360).

Almost surely, 2190979134688 is an apocalyptic number.

It is an amenable number.

190979134688 is an abundant number, since it is smaller than the sum of its proper divisors (197139753952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190979134688 is a wasteful number, since it uses less digits than its factorization.

190979134688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192519330 (or 192519322 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 190979134688 in words is "one hundred ninety billion, nine hundred seventy-nine million, one hundred thirty-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 192519289 385038578 770077156 1540154312 3080308624 5968097959 6160617248 11936195918 23872391836 47744783672 95489567344 190979134688