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12155024010 = 235405167467
BaseRepresentation
bin10110101000111111…
…01111001010001010
31011101002211012022110
423110133233022022
5144343141232020
65330044203150
7610132666533
oct132437571212
934332735273
1012155024010
115178215498
1224328394b6
1311b93023cc
1483445368a
154b21938e0
hex2d47ef28a

12155024010 has 16 divisors (see below), whose sum is σ = 29172057696. Its totient is φ = 3241339728.

The previous prime is 12155024009. The next prime is 12155024087. The reversal of 12155024010 is 1042055121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202583704 + ... + 202583763.

It is an arithmetic number, because the mean of its divisors is an integer number (1823253606).

Almost surely, 212155024010 is an apocalyptic number.

12155024010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12155024010 is an abundant number, since it is smaller than the sum of its proper divisors (17017033686).

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

12155024010 is a wasteful number, since it uses less digits than its factorization.

12155024010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405167477.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12155024010 its reverse (1042055121), we get a palindrome (13197079131).

The spelling of 12155024010 in words is "twelve billion, one hundred fifty-five million, twenty-four thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 405167467 810334934 1215502401 2025837335 2431004802 4051674670 6077512005 12155024010