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10131028108 = 22611091133371
BaseRepresentation
bin10010110111101101…
…10011100010001100
3222011001022112220021
421123312303202030
5131222020344413
64353143031524
7506025214045
oct113366634214
928131275807
1010131028108
114329779403
121b68a3b5a4
13c55ba5bb6
146c170d8cc
153e464118d
hex25bdb388c

10131028108 has 48 divisors (see below), whose sum is σ = 18351637920. Its totient is φ = 4891622400.

The previous prime is 10131028099. The next prime is 10131028139. The reversal of 10131028108 is 80182013101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003663 + ... + 3007033.

It is an arithmetic number, because the mean of its divisors is an integer number (382325790).

Almost surely, 210131028108 is an apocalyptic number.

It is an amenable number.

10131028108 is a deficient number, since it is larger than the sum of its proper divisors (8220609812).

10131028108 is a wasteful number, since it uses less digits than its factorization.

10131028108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 10131028108 in words is "ten billion, one hundred thirty-one million, twenty-eight thousand, one hundred eight".

Divisors: 1 2 4 61 109 113 122 218 226 244 436 452 3371 6649 6742 6893 12317 13298 13484 13786 24634 26596 27572 49268 205631 367439 380923 411262 734878 751337 761846 822524 1469756 1502674 1523692 3005348 22413779 23236303 41520607 44827558 46472606 83041214 89655116 92945212 166082428 2532757027 5065514054 10131028108