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13013023130 = 259411382893
BaseRepresentation
bin11000001111010001…
…01111100110011010
31020120220022001211122
430013220233212122
5203122313220010
65551134125242
7640321604642
oct140750574632
936526261748
1013013023130
11557856a978
122632050822
1312c4cb15b3
148b6399522
15512675855
hex307a2f99a

13013023130 has 16 divisors (see below), whose sum is σ = 23448350664. Its totient is φ = 5199673920.

The previous prime is 13013023129. The next prime is 13013023211. The reversal of 13013023130 is 3132031031.

It can be written as a sum of positive squares in 4 ways, for example, as 8876089369 + 4136933761 = 94213^2 + 64319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13013023099 and 13013023108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682037 + ... + 700856.

Almost surely, 213013023130 is an apocalyptic number.

13013023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013023130 is a deficient number, since it is larger than the sum of its proper divisors (10435327534).

13013023130 is a wasteful number, since it uses less digits than its factorization.

13013023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383841.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13013023130 its reverse (3132031031), we get a palindrome (16145054161).

The spelling of 13013023130 in words is "thirteen billion, thirteen million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 941 1882 4705 9410 1382893 2765786 6914465 13828930 1301302313 2602604626 6506511565 13013023130