Base | Representation |
---|---|
bin | 1000100010001000001110… |
… | …10100011001001110000000 |
3 | 2110102220022121102101010001 |
4 | 10101010013110121032000 |
5 | 4424420340213343122 |
6 | 103524240211245344 |
7 | 3644500046643610 |
oct | 421040724311600 |
9 | 73386277371101 |
10 | 18764834902912 |
11 | 5a8513811703a |
12 | 21309012a9854 |
13 | a6169351b897 |
14 | 48c31972ca40 |
15 | 2281b2da7527 |
hex | 111107519380 |
18764834902912 has 32 divisors (see below), whose sum is σ = 42723508039920. Its totient is φ = 8042072100864.
The previous prime is 18764834902871. The next prime is 18764834902921. The reversal of 18764834902912 is 21920943846781.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10471447153 + ... + 10471448944.
Almost surely, 218764834902912 is an apocalyptic number.
It is an amenable number.
18764834902912 is an abundant number, since it is smaller than the sum of its proper divisors (23958673137008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18764834902912 is an equidigital number, since it uses as much as digits as its factorization.
18764834902912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20942896118 (or 20942896106 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 64.
The spelling of 18764834902912 in words is "eighteen trillion, seven hundred sixty-four billion, eight hundred thirty-four million, nine hundred two thousand, nine hundred twelve".
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