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2157283639296 = 22133311229
BaseRepresentation
bin11111011001001000001…
…000000000000000000000
321122020022210202120121000
4133121020020000000000
5240321104102424141
64331013055132000
7311600333244222
oct37311010000000
97566283676530
102157283639296
11761998412a45
122aa119b14000
1312857ab09766
14765ad712412
153b1b12525b6
hex1f648200000

2157283639296 has 352 divisors, whose sum is σ = 6603510643200. Its totient is φ = 695331717120.

The previous prime is 2157283639279. The next prime is 2157283639321. The reversal of 2157283639296 is 6929363827512.

2157283639296 is a `hidden beast` number, since 2 + 1 + 5 + 7 + 283 + 63 + 9 + 296 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755315610 + ... + 1755316838.

Almost surely, 22157283639296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2157283639296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3301755321600).

2157283639296 is an abundant number, since it is smaller than the sum of its proper divisors (4446227003904).

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

2157283639296 is an frugal number, since it uses more digits than its factorization.

2157283639296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1265 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 2157283639296 in words is "two trillion, one hundred fifty-seven billion, two hundred eighty-three million, six hundred thirty-nine thousand, two hundred ninety-six".