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13132423144 = 231819069353
BaseRepresentation
bin11000011101100000…
…01101111111101000
31020220012222012212101
430032300031333220
5203343400020034
610011041223144
7643301516641
oct141660157750
936805865771
1013132423144
115629a01975
122666031ab4
1313139583a9
148c819a6c8
1551cdad514
hex30ec0dfe8

13132423144 has 16 divisors (see below), whose sum is σ = 24759336420. Its totient is φ = 6529933440.

The previous prime is 13132423141. The next prime is 13132423153. The reversal of 13132423144 is 44132423131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11031300900 + 2101122244 = 105030^2 + 45838^2 .

It is not an unprimeable number, because it can be changed into a prime (13132423141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533229 + ... + 4536124.

Almost surely, 213132423144 is an apocalyptic number.

It is an amenable number.

13132423144 is a deficient number, since it is larger than the sum of its proper divisors (11626913276).

13132423144 is a wasteful number, since it uses less digits than its factorization.

13132423144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9069540 (or 9069536 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 13132423144 its reverse (44132423131), we get a palindrome (57264846275).

The spelling of 13132423144 in words is "thirteen billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 181 362 724 1448 9069353 18138706 36277412 72554824 1641552893 3283105786 6566211572 13132423144