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2153847448452 = 223725641041053
BaseRepresentation
bin11111010101111011010…
…011111110001110000100
321121220110022221222220110
4133111323103332032010
5240242034421322302
64325244105433020
7311416230145140
oct37257323761604
97556408858813
102153847448452
117604948089a7
122a951b19b770
13128150c51b3b
1476365204220
153b05e74bb6c
hex1f57b4fe384

2153847448452 has 24 divisors (see below), whose sum is σ = 5743593196096. Its totient is φ = 615384985248.

The previous prime is 2153847448433. The next prime is 2153847448553. The reversal of 2153847448452 is 2548447483512.

It is a junction number, because it is equal to n+sod(n) for n = 2153847448392 and 2153847448401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12820520443 + ... + 12820520610.

Almost surely, 22153847448452 is an apocalyptic number.

It is an amenable number.

2153847448452 is an abundant number, since it is smaller than the sum of its proper divisors (3589745747644).

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

2153847448452 is a wasteful number, since it uses less digits than its factorization.

2153847448452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641041067 (or 25641041065 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 57.

The spelling of 2153847448452 in words is "two trillion, one hundred fifty-three billion, eight hundred forty-seven million, four hundred forty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 25641041053 51282082106 76923123159 102564164212 153846246318 179487287371 307692492636 358974574742 538461862113 717949149484 1076923724226 2153847448452