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10001901010 = 251194183761
BaseRepresentation
bin10010101000010100…
…01110010111010010
3221211001100012211011
421110022032113102
5130440441313020
64332251241134
7502566520153
oct112412162722
927731305734
1010001901010
1142728a32a2
121b317491aa
13c3520482a
146ac4d992a
153d813635a
hex25428e5d2

10001901010 has 16 divisors (see below), whose sum is σ = 18005144472. Its totient is φ = 4000377600.

The previous prime is 10001900999. The next prime is 10001901043. The reversal of 10001901010 is 1010910001.

It can be written as a sum of positive squares in 4 ways, for example, as 6043352121 + 3958548889 = 77739^2 + 62917^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77530 + ... + 161290.

Almost surely, 210001901010 is an apocalyptic number.

10001901010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001901010 is a deficient number, since it is larger than the sum of its proper divisors (8003243462).

10001901010 is a wasteful number, since it uses less digits than its factorization.

10001901010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95709.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 10001901010 in words is "ten billion, one million, nine hundred one thousand, ten".

Divisors: 1 2 5 10 11941 23882 59705 83761 119410 167522 418805 837610 1000190101 2000380202 5000950505 10001901010