Base | Representation |
---|---|
bin | 1011010111101100011111… |
… | …0111011001100101110111 |
3 | 1122021011002112020020010012 |
4 | 2311323013313121211313 |
5 | 3114311444223120322 |
6 | 42331112210050435 |
7 | 2430134656556306 |
oct | 265730767314567 |
9 | 48234075206105 |
10 | 12501708020087 |
11 | 3a8aa43293050 |
12 | 149aab8879a1b |
13 | 6c8ba1664520 |
14 | 31312b9b443d |
15 | 16a2e898dae2 |
hex | b5ec7dd9977 |
12501708020087 has 32 divisors (see below), whose sum is σ = 15564360893760. Its totient is φ = 9882133632000.
The previous prime is 12501708020047. The next prime is 12501708020101. The reversal of 12501708020087 is 78002080710521.
It is a cyclic number.
It is not a de Polignac number, because 12501708020087 - 210 = 12501708019063 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12501708020047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36593864 + ... + 36933917.
It is an arithmetic number, because the mean of its divisors is an integer number (486386277930).
Almost surely, 212501708020087 is an apocalyptic number.
12501708020087 is a deficient number, since it is larger than the sum of its proper divisors (3062652873673).
12501708020087 is a wasteful number, since it uses less digits than its factorization.
12501708020087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73527875.
The product of its (nonzero) digits is 62720, while the sum is 41.
The spelling of 12501708020087 in words is "twelve trillion, five hundred one billion, seven hundred eight million, twenty thousand, eighty-seven".
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