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20401510670 = 2525723413391
BaseRepresentation
bin10011000000000001…
…100101100100001110
31221122211001010100022
4103000001211210032
5313240241320140
613212231102142
71321365656642
oct230001454416
957584033308
1020401510670
11871a136a22
123b54511952
131c01927a08
14db7760c22
157e612c0b5
hex4c006590e

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".

Divisors: 1 2 5 10 257 514 1285 2341 2570 3391 4682 6782 11705 16955 23410 33910 601637 871487 1203274 1742974 3008185 4357435 6016370 7938331 8714870 15876662 39691655 79383310 2040151067 4080302134 10200755335 20401510670