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231501105132 = 223111753796251
BaseRepresentation
bin1101011110011010001…
…0101000011111101100
3211010112201011121222220
43113212202220133230
512243103240331012
6254203344035340
722503545632443
oct3274642503754
9733481147886
10231501105132
118a1a737a790
1238a49302b50
1318aa46a255b
14b2c1a39d5a
15604dc6508c
hex35e68a87ec

231501105132 has 24 divisors (see below), whose sum is σ = 589275540672. Its totient is φ = 70151850000.

The previous prime is 231501105119. The next prime is 231501105151.

231501105132 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876897994 + ... + 876898257.

It is an arithmetic number, because the mean of its divisors is an integer number (24553147528).

Almost surely, 2231501105132 is an apocalyptic number.

231501105132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231501105132 is an abundant number, since it is smaller than the sum of its proper divisors (357774435540).

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

231501105132 is a wasteful number, since it uses less digits than its factorization.

231501105132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753796269 (or 1753796267 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

It can be divided in two parts, 231501 and 105132, that added together give a palindrome (336633).

The spelling of 231501105132 in words is "two hundred thirty-one billion, five hundred one million, one hundred five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1753796251 3507592502 5261388753 7015185004 10522777506 19291758761 21045555012 38583517522 57875276283 77167035044 115750552566 231501105132