Base | Representation |
---|---|
bin | 1011010001110101000011… |
… | …1101100000100010111000 |
3 | 1121220111222001111201100110 |
4 | 2310131100331200202320 |
5 | 3111134100243304140 |
6 | 42212524051304320 |
7 | 2416636402214562 |
oct | 264352075404270 |
9 | 47814861451313 |
10 | 12400928884920 |
11 | 3a51228078194 |
12 | 1483471bab0a0 |
13 | 6bc5305c8b74 |
14 | 30c2cb29a332 |
15 | 16789b14e380 |
hex | b4750f608b8 |
12400928884920 has 64 divisors (see below), whose sum is σ = 38110171710240. Its totient is φ = 3226257920000.
The previous prime is 12400928884901. The next prime is 12400928884931. The reversal of 12400928884920 is 2948882900421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260252081 + ... + 1260261920.
Almost surely, 212400928884920 is an apocalyptic number.
12400928884920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12400928884920 is an abundant number, since it is smaller than the sum of its proper divisors (25709242825320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12400928884920 is a wasteful number, since it uses less digits than its factorization.
12400928884920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2520514056 (or 2520514052 counting only the distinct ones).
The product of its (nonzero) digits is 5308416, while the sum is 57.
The spelling of 12400928884920 in words is "twelve trillion, four hundred billion, nine hundred twenty-eight million, eight hundred eighty-four thousand, nine hundred twenty".
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