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20702652010 = 258117255053
BaseRepresentation
bin10011010001111110…
…010110011001101010
31222102210200200121021
4103101332112121222
5314344334331020
613302145403054
71332013432015
oct232176263152
958383620537
1020702652010
11886411a967
12401933948a
131c4c135161
14100575037c
158127b41aa
hex4d1f9666a

20702652010 has 16 divisors (see below), whose sum is σ = 37269510696. Its totient is φ = 8280008128.

The previous prime is 20702652007. The next prime is 20702652023. The reversal of 20702652010 is 1025620702.

It can be written as a sum of positive squares in 4 ways, for example, as 20158036441 + 544615569 = 141979^2 + 23337^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46357 + ... + 208696.

Almost surely, 220702652010 is an apocalyptic number.

20702652010 is a deficient number, since it is larger than the sum of its proper divisors (16566858686).

20702652010 is a wasteful number, since it uses less digits than its factorization.

20702652010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263177.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 20702652010 in words is "twenty billion, seven hundred two million, six hundred fifty-two thousand, ten".

Divisors: 1 2 5 10 8117 16234 40585 81170 255053 510106 1275265 2550530 2070265201 4140530402 10351326005 20702652010