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54681591096 = 23321126276583
BaseRepresentation
bin110010111011010001…
…101101110100111000
312020010212001122021200
4302323101231310320
51343441441403341
641042000134200
73644026566246
oct627321556470
9166125048250
1054681591096
1121210372800
12a720907360
135205956682
14290a3c9796
1516508a2db6
hexcbb46dd38

54681591096 has 72 divisors (see below), whose sum is σ = 162783206040. Its totient is φ = 16570176480.

The previous prime is 54681591091. The next prime is 54681591137. The reversal of 54681591096 is 69019518645.

54681591096 is a `hidden beast` number, since 5 + 46 + 8 + 1 + 591 + 0 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54681591091) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3129580 + ... + 3147003.

Almost surely, 254681591096 is an apocalyptic number.

It is an amenable number.

54681591096 is an abundant number, since it is smaller than the sum of its proper divisors (108101614944).

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

54681591096 is a wasteful number, since it uses less digits than its factorization.

54681591096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276617 (or 6276599 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 54681591096 in words is "fifty-four billion, six hundred eighty-one million, five hundred ninety-one thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 121 132 198 242 264 363 396 484 726 792 968 1089 1452 2178 2904 4356 8712 6276583 12553166 18829749 25106332 37659498 50212664 56489247 69042413 75318996 112978494 138084826 150637992 207127239 225956988 276169652 414254478 451913976 552339304 621381717 759466543 828508956 1242763434 1518933086 1657017912 2278399629 2485526868 3037866172 4556799258 4971053736 6075732344 6835198887 9113598516 13670397774 18227197032 27340795548 54681591096