Base | Representation |
---|---|
bin | 1001010011100011000101… |
… | …10010000110010100000000 |
3 | 2200110020021101122222001120 |
4 | 10221301202302012110000 |
5 | 10140230440130421433 |
6 | 111304303515032240 |
7 | 4211252164602321 |
oct | 451614262062400 |
9 | 80406241588046 |
10 | 20462881498368 |
11 | 657a294159901 |
12 | 2365a1573b680 |
13 | b5584534287a |
14 | 50a5a1870448 |
15 | 257446e697b3 |
hex | 129c62c86500 |
20462881498368 has 144 divisors (see below), whose sum is σ = 59304291412800. Its totient is φ = 6239136153600.
The previous prime is 20462881498309. The next prime is 20462881498403. The reversal of 20462881498368 is 86389418826402.
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, 23755033 + ... + 24601368.
Almost surely, 220462881498368 is an apocalyptic number.
It is an amenable number.
20462881498368 is an abundant number, since it is smaller than the sum of its proper divisors (38841409914432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20462881498368 is a wasteful number, since it uses less digits than its factorization.
20462881498368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48356468 (or 48356454 counting only the distinct ones).
The product of its (nonzero) digits is 254803968, while the sum is 69.
The spelling of 20462881498368 in words is "twenty trillion, four hundred sixty-two billion, eight hundred eighty-one million, four hundred ninety-eight thousand, three hundred sixty-eight".
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