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10042389906 = 2317222812539
BaseRepresentation
bin10010101101001001…
…01011010110010010
3221220212112021010220
421112210223112102
5131031322434111
64340255133510
7503600622453
oct112644532622
927825467126
1010042389906
11429373819a
121b43214296
13c4070ca63
146b3a3912a
153db982e06
hex25692b592

10042389906 has 48 divisors (see below), whose sum is σ = 21353495520. Its totient is φ = 3147932160.

The previous prime is 10042389883. The next prime is 10042389967. The reversal of 10042389906 is 60998324001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3953985 + ... + 3956523.

It is an arithmetic number, because the mean of its divisors is an integer number (444864490).

Almost surely, 210042389906 is an apocalyptic number.

10042389906 is an abundant number, since it is smaller than the sum of its proper divisors (11311105614).

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

10042389906 is a wasteful number, since it uses less digits than its factorization.

10042389906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4842 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 10042389906 in words is "ten billion, forty-two million, three hundred eighty-nine thousand, nine hundred six".

Divisors: 1 2 3 6 17 34 51 102 289 578 867 1734 2281 2539 4562 5078 6843 7617 13686 15234 38777 43163 77554 86326 116331 129489 232662 258978 659209 733771 1318418 1467542 1977627 2201313 3955254 4402626 5791459 11582918 17374377 34748754 98454803 196909606 295364409 590728818 1673731651 3347463302 5021194953 10042389906