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10031012130 = 2352947245317
BaseRepresentation
bin10010101011110010…
…10001100100100010
3221220002010012202210
421111321101210202
5131020414342010
64335211222550
7503402124216
oct112571214442
927802105683
1010031012130
114288276977
121b3b447a56
13c3b258049
146b2316946
153da986b20
hex255e51922

10031012130 has 64 divisors (see below), whose sum is σ = 25434570240. Its totient is φ = 2527736064.

The previous prime is 10031012111. The next prime is 10031012143. The reversal of 10031012130 is 3121013001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81769 + ... + 163548.

It is an arithmetic number, because the mean of its divisors is an integer number (397415160).

Almost surely, 210031012130 is an apocalyptic number.

10031012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031012130 is an abundant number, since it is smaller than the sum of its proper divisors (15403558110).

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

10031012130 is a wasteful number, since it uses less digits than its factorization.

10031012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245403.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031012130 its reverse (3121013001), we get a palindrome (13152025131).

The spelling of 10031012130 in words is "ten billion, thirty-one million, twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 47 58 87 94 141 145 174 235 282 290 435 470 705 870 1363 1410 2726 4089 6815 8178 13630 20445 40890 245317 490634 735951 1226585 1471902 2453170 3679755 7114193 7359510 11529899 14228386 21342579 23059798 34589697 35570965 42685158 57649495 69179394 71141930 106712895 115298990 172948485 213425790 334367071 345896970 668734142 1003101213 1671835355 2006202426 3343670710 5015506065 10031012130