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13140331332 = 2237913861109
BaseRepresentation
bin11000011110011100…
…11000101101000100
31020220202211222212020
430033032120231010
5203402411100312
610011522523140
7643425654612
oct141716305504
936822758766
1013140331332
115633413467
1226688064b0
131315496aab
148c92586b2
1551d92178c
hex30f398b44

13140331332 has 24 divisors (see below), whose sum is σ = 31048886400. Its totient is φ = 4324665696.

The previous prime is 13140331327. The next prime is 13140331349. The reversal of 13140331332 is 23313304131.

It is a happy number.

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, 6929607 + ... + 6931502.

It is an arithmetic number, because the mean of its divisors is an integer number (1293703600).

Almost surely, 213140331332 is an apocalyptic number.

13140331332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13140331332 is an abundant number, since it is smaller than the sum of its proper divisors (17908555068).

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

13140331332 is a wasteful number, since it uses less digits than its factorization.

13140331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861195 (or 13861193 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13140331332 its reverse (23313304131), we get a palindrome (36453635463).

It can be divided in two parts, 131403 and 31332, that added together give a triangular number (162735 = T570).

The spelling of 13140331332 in words is "thirteen billion, one hundred forty million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 13861109 27722218 41583327 55444436 83166654 166333308 1095027611 2190055222 3285082833 4380110444 6570165666 13140331332