Search a number
-
+
13249831270 = 2513569317903
BaseRepresentation
bin11000101011100000…
…00110000101100110
31021012101220011112111
430111300012011212
5204113424100040
610030433511234
7646225464454
oct142560060546
937171804474
1013249831270
11568a203385
12269941251a
131332085660
148d99dd9d4
15528350dea
hex315c06166

13249831270 has 32 divisors (see below), whose sum is σ = 25690234752. Its totient is φ = 4891112832.

The previous prime is 13249831267. The next prime is 13249831321. The reversal of 13249831270 is 7213894231.

It is a congruent number.

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, 731139 + ... + 749041.

It is an arithmetic number, because the mean of its divisors is an integer number (802819836).

Almost surely, 213249831270 is an apocalyptic number.

13249831270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13249831270 is a deficient number, since it is larger than the sum of its proper divisors (12440403482).

13249831270 is a wasteful number, since it uses less digits than its factorization.

13249831270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23616.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 13249831270 in words is "thirteen billion, two hundred forty-nine million, eight hundred thirty-one thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 5693 11386 17903 28465 35806 56930 74009 89515 148018 179030 232739 370045 465478 740090 1163695 2327390 101921779 203843558 509608895 1019217790 1324983127 2649966254 6624915635 13249831270