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10131000439 = 721277332221
BaseRepresentation
bin10010110111101101…
…01100110001110111
3222011001021010221111
421123312230301313
5131222014003224
64353142255451
7506025040300
oct113366546167
928131233844
1010131000439
11432975a63a
121b68a27587
13c55b96421
146c17037a7
153e4637d94
hex25bdacc77

10131000439 has 24 divisors (see below), whose sum is σ = 11899396608. Its totient is φ = 8599711680.

The previous prime is 10131000419. The next prime is 10131000443. The reversal of 10131000439 is 93400013101.

It is not a de Polignac number, because 10131000439 - 219 = 10130476151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131000419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4560349 + ... + 4562569.

It is an arithmetic number, because the mean of its divisors is an integer number (495808192).

Almost surely, 210131000439 is an apocalyptic number.

10131000439 is a deficient number, since it is larger than the sum of its proper divisors (1768396169).

10131000439 is a wasteful number, since it uses less digits than its factorization.

10131000439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10131000439 in words is "ten billion, one hundred thirty-one million, four hundred thirty-nine", and thus it is an aban number.

Divisors: 1 7 49 127 733 889 2221 5131 6223 15547 35917 93091 108829 282067 651637 1627993 1974469 4561459 11395951 13821283 79771657 206755111 1447285777 10131000439