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12922531848 = 2332133972
BaseRepresentation
bin11000000100011111…
…00011000000001000
31020100121000122010200
430002033203000020
5202431132004343
65534142412200
7635142464652
oct140217430010
936317018120
1012922531848
115531483496
122607891060
1312ac319b65
148a83616d2
1550974d4d3
hex3023e3008

12922531848 has 36 divisors (see below), whose sum is σ = 35001136365. Its totient is φ = 4307189088.

The previous prime is 12922531837. The next prime is 12922531849. The reversal of 12922531848 is 84813522921.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12922531848 is a `hidden beast` number, since 1 + 292 + 2 + 5 + 318 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8780064804 + 4142467044 = 93702^2 + 64362^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=80382.

It is not an unprimeable number, because it can be changed into a prime (12922531849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 957886 + ... + 971282.

Almost surely, 212922531848 is an apocalyptic number.

12922531848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12922531848 is an abundant number, since it is smaller than the sum of its proper divisors (22078604517).

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

12922531848 is an frugal number, since it uses more digits than its factorization.

12922531848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26806 (or 13402 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 12922531848 in words is "twelve billion, nine hundred twenty-two million, five hundred thirty-one thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 13397 26794 40191 53588 80382 107176 120573 160764 241146 321528 482292 964584 179479609 358959218 538438827 717918436 1076877654 1435836872 1615316481 2153755308 3230632962 4307510616 6461265924 12922531848