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10020190900 = 2252412443949
BaseRepresentation
bin10010101010011111…
…11111101010110100
3221212022202102211111
421111033333222310
5131010132102100
64334143244404
7503211134356
oct112517775264
927768672744
1010020190900
114282155805
121b378a9704
13c38c39755
146b0adb0d6
153d9a4a6ba
hex2553ffab4

10020190900 has 36 divisors (see below), whose sum is σ = 22274160300. Its totient is φ = 3910316800.

The previous prime is 10020190877. The next prime is 10020190919. The reversal of 10020190900 is 909102001.

It can be written as a sum of positive squares in 6 ways, for example, as 1303354404 + 8716836496 = 36102^2 + 93364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1217875 + ... + 1226074.

It is an arithmetic number, because the mean of its divisors is an integer number (618726675).

Almost surely, 210020190900 is an apocalyptic number.

10020190900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020190900 is an abundant number, since it is smaller than the sum of its proper divisors (12253969400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020190900 is a wasteful number, since it uses less digits than its factorization.

10020190900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444004 (or 2443997 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 10020190900 its reverse (909102001), we get a palindrome (10929292901).

The spelling of 10020190900 in words is "ten billion, twenty million, one hundred ninety thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 4100 2443949 4887898 9775796 12219745 24439490 48878980 61098725 100201909 122197450 200403818 244394900 400807636 501009545 1002019090 2004038180 2505047725 5010095450 10020190900