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13145431122130 = 253142404616523
BaseRepresentation
bin1011111101001010100011…
…0000001010000011010010
31201112200122200210222222011
42333102220300022003102
53210333320331402010
643542532214133134
72524504015631116
oct277225060120322
951480580728864
1013145431122130
114208a4519331a
12158380a3511aa
137447bb7c6238
14336356a9b746
1517be220bea8a
hexbf4a8c0a0d2

13145431122130 has 16 divisors (see below), whose sum is σ = 24425059117824. Its totient is φ = 5088553982640.

The previous prime is 13145431122127. The next prime is 13145431122143. The reversal of 13145431122130 is 3122113454131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 13145431122092 and 13145431122101.

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, 21202307952 + ... + 21202308571.

It is an arithmetic number, because the mean of its divisors is an integer number (1526566194864).

Almost surely, 213145431122130 is an apocalyptic number.

13145431122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13145431122130 is a deficient number, since it is larger than the sum of its proper divisors (11279627995694).

13145431122130 is a wasteful number, since it uses less digits than its factorization.

13145431122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42404616561.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 13145431122130 its reverse (3122113454131), we get a palindrome (16267544576261).

The spelling of 13145431122130 in words is "thirteen trillion, one hundred forty-five billion, four hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 42404616523 84809233046 212023082615 424046165230 1314543112213 2629086224426 6572715561065 13145431122130