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13023011013012 = 2232711133111657707
BaseRepresentation
bin1011110110000010011111…
…1100100000000110010100
31201002222200000210002212200
42331200213330200012110
53201332111304404022
643410404430244500
72512611232110030
oct275404774400624
951088600702780
1013023011013012
114171034231420
121563b44056730
137360ac102250
1433046217d1c0
15178b5991ebac
hexbd827f20194

13023011013012 has 288 divisors, whose sum is σ = 45625098215424. Its totient is φ = 3021677395200.

The previous prime is 13023011012989. The next prime is 13023011013029. The reversal of 13023011013012 is 21031011032031.

13023011013012 is a `hidden beast` number, since 1 + 30 + 230 + 1 + 101 + 301 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4711738 + ... + 6945969.

Almost surely, 213023011013012 is an apocalyptic number.

13023011013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13023011013012 is an abundant number, since it is smaller than the sum of its proper divisors (32602087202412).

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

13023011013012 is a wasteful number, since it uses less digits than its factorization.

13023011013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657779 (or 11657774 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13023011013012 its reverse (21031011032031), we get a palindrome (34054022045043).

The spelling of 13023011013012 in words is "thirteen trillion, twenty-three billion, eleven million, thirteen thousand, twelve".