Base | Representation |
---|---|
bin | 1001001111000111001100… |
… | …00100100100000100111000 |
3 | 2122220122212020202110100200 |
4 | 10213203212010210010320 |
5 | 10130231313111102022 |
6 | 111110255435402200 |
7 | 4164245156551656 |
oct | 447434604440470 |
9 | 78818766673320 |
10 | 20310465331512 |
11 | 6520690206844 |
12 | 23403798b3360 |
13 | b44365336ca5 |
14 | 503063251dd6 |
15 | 2534c61bdbac |
hex | 1278e6124138 |
20310465331512 has 48 divisors (see below), whose sum is σ = 55146068310840. Its totient is φ = 6753101813568.
The previous prime is 20310465331423. The next prime is 20310465331523. The reversal of 20310465331512 is 21513356401302.
20310465331512 is a `hidden beast` number, since 2 + 0 + 3 + 10 + 465 + 33 + 151 + 2 = 666.
It is a super-2 number, since 2×203104653315122 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355248238 + ... + 355305405.
Almost surely, 220310465331512 is an apocalyptic number.
It is an amenable number.
20310465331512 is an abundant number, since it is smaller than the sum of its proper divisors (34835602979328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310465331512 is a wasteful number, since it uses less digits than its factorization.
20310465331512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710554052 (or 710554045 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 36.
The spelling of 20310465331512 in words is "twenty trillion, three hundred ten billion, four hundred sixty-five million, three hundred thirty-one thousand, five hundred twelve".
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