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2153232984 = 233712816863
BaseRepresentation
bin1000000001010111…
…1011101001011000
312120001200120100210
42000111323221120
513402211423414
6553355131120
7104234115120
oct20025735130
95501616323
102153232984
11a054978a1
12501143aa0
13284138976
14165d85c80
15c907ee59
hex8057ba58

2153232984 has 32 divisors (see below), whose sum is σ = 6152094720. Its totient is φ = 615209376.

The previous prime is 2153232943. The next prime is 2153232989. The reversal of 2153232984 is 4892323512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153232989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6408264 + ... + 6408599.

It is an arithmetic number, because the mean of its divisors is an integer number (192252960).

Almost surely, 22153232984 is an apocalyptic number.

2153232984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2153232984 is an abundant number, since it is smaller than the sum of its proper divisors (3998861736).

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

2153232984 is a wasteful number, since it uses less digits than its factorization.

2153232984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12816879 (or 12816875 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 2153232984 is about 46402.9415446909. The cubic root of 2153232984 is about 1291.3094857402.

The spelling of 2153232984 in words is "two billion, one hundred fifty-three million, two hundred thirty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 12816863 25633726 38450589 51267452 76901178 89718041 102534904 153802356 179436082 269154123 307604712 358872164 538308246 717744328 1076616492 2153232984