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21192468113286 = 234196885142337
BaseRepresentation
bin1001101000110010000011…
…00010001010011110000110
32210000222110112121010110000
410310121001202022132012
510234204133314111121
6113023404020142130
74315051054524351
oct464310142123606
983028415533400
1021192468113286
116830747844168
1224632aa837946
13ba9597327a32
14533a14333298
1526b3e86e1526
hex13464188a786

21192468113286 has 40 divisors (see below), whose sum is σ = 49986133373880. Its totient is φ = 6692358350592.

The previous prime is 21192468113249. The next prime is 21192468113293. The reversal of 21192468113286 is 68231186429112.

21192468113286 is a `hidden beast` number, since 2 + 1 + 1 + 9 + 246 + 8 + 113 + 286 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3442568091 + ... + 3442574246.

It is an arithmetic number, because the mean of its divisors is an integer number (1249653334347).

Almost surely, 221192468113286 is an apocalyptic number.

21192468113286 is an abundant number, since it is smaller than the sum of its proper divisors (28793665260594).

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

21192468113286 is a wasteful number, since it uses less digits than its factorization.

21192468113286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885142370 (or 6885142361 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 21192468113286 in words is "twenty-one trillion, one hundred ninety-two billion, four hundred sixty-eight million, one hundred thirteen thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 342 513 1026 1539 3078 6885142337 13770284674 20655427011 41310854022 61966281033 123932562066 130817704403 185898843099 261635408806 371797686198 392453113209 557696529297 784906226418 1115393058594 1177359339627 2354718679254 3532078018881 7064156037762 10596234056643 21192468113286