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10013020444 = 2272192688781
BaseRepresentation
bin10010101001101001…
…01001000100011100
3221211211021010211001
421110310221010130
5131001313123234
64333325440044
7503063161300
oct112464510434
927754233731
1010013020444
1142790a8509
121b35410024
13c375c8a8b
146adb91d00
153d90d0d14
hex254d2911c

10013020444 has 36 divisors (see below), whose sum is σ = 21456480360. Its totient is φ = 4065435360.

The previous prime is 10013020439. The next prime is 10013020453. The reversal of 10013020444 is 44402031001.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 1340667 + ... + 1348114.

Almost surely, 210013020444 is an apocalyptic number.

10013020444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10013020444 is an abundant number, since it is smaller than the sum of its proper divisors (11443459916).

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

10013020444 is a wasteful number, since it uses less digits than its factorization.

10013020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688818 (or 2688809 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10013020444 its reverse (44402031001), we get a palindrome (54415051445).

The spelling of 10013020444 in words is "ten billion, thirteen million, twenty thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 532 931 1862 3724 2688781 5377562 10755124 18821467 37642934 51086839 75285868 102173678 131750269 204347356 263500538 357607873 527001076 715215746 1430431492 2503255111 5006510222 10013020444