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2153331512136 = 233572471792687
BaseRepresentation
bin11111010101011100100…
…011110101001101001000
321121212010101010201100000
4133111130203311031020
5240240010331342021
64325120555243000
7311400363565500
oct37253443651510
97555111121300
102153331512136
1176024a557352
122a93b6449460
1312809b0aa18c
14763168a0a00
153b02e2d6b26
hex1f55c8f5348

2153331512136 has 576 divisors, whose sum is σ = 7227872870400. Its totient is φ = 598560617088.

The previous prime is 2153331512119. The next prime is 2153331512141. The reversal of 2153331512136 is 6312151333512.

2153331512136 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 3 + 3 + 1 + 512 + 136 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2153331512136.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 801387385 + ... + 801390071.

It is an arithmetic number, because the mean of its divisors is an integer number (12548390400).

Almost surely, 22153331512136 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 2153331512136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613936435200).

2153331512136 is an abundant number, since it is smaller than the sum of its proper divisors (5074541358264).

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

2153331512136 is a wasteful number, since it uses less digits than its factorization.

2153331512136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2925 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

Adding to 2153331512136 its reverse (6312151333512), we get a palindrome (8465482845648).

The spelling of 2153331512136 in words is "two trillion, one hundred fifty-three billion, three hundred thirty-one million, five hundred twelve thousand, one hundred thirty-six".