Base | Representation |
---|---|
bin | 10011000000000001… |
… | …100101100100001110 |
3 | 1221122211001010100022 |
4 | 103000001211210032 |
5 | 313240241320140 |
6 | 13212231102142 |
7 | 1321365656642 |
oct | 230001454416 |
9 | 57584033308 |
10 | 20401510670 |
11 | 871a136a22 |
12 | 3b54511952 |
13 | 1c01927a08 |
14 | db7760c22 |
15 | 7e612c0b5 |
hex | 4c006590e |
20401510670 has 32 divisors (see below), whose sum is σ = 36892233216. Its totient is φ = 8122982400.
The previous prime is 20401510667. The next prime is 20401510693. The reversal of 20401510670 is 7601510402.
20401510670 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
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, 6014675 + ... + 6018065.
It is an arithmetic number, because the mean of its divisors is an integer number (1152882288).
Almost surely, 220401510670 is an apocalyptic number.
20401510670 is a deficient number, since it is larger than the sum of its proper divisors (16490722546).
20401510670 is a wasteful number, since it uses less digits than its factorization.
20401510670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5996.
The product of its (nonzero) digits is 1680, while the sum is 26.
The spelling of 20401510670 in words is "twenty billion, four hundred one million, five hundred ten thousand, six hundred seventy".
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