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13330031010 = 235647686761
BaseRepresentation
bin11000110101000100…
…00010000110100010
31021101222210201220020
430122202002012202
5204244441443020
610042420454310
7651221252112
oct143242020642
937358721806
1013330031010
11572050065a
12270024a396
13134588591a
14906519042
155303e3c40
hex31a8821a2

13330031010 has 32 divisors (see below), whose sum is σ = 32041567872. Its totient is φ = 3549175680.

The previous prime is 13330030999. The next prime is 13330031017. The reversal of 13330031010 is 1013003331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13330031017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323971 + ... + 362790.

It is an arithmetic number, because the mean of its divisors is an integer number (1001298996).

Almost surely, 213330031010 is an apocalyptic number.

13330031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13330031010 is an abundant number, since it is smaller than the sum of its proper divisors (18711536862).

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

13330031010 is a wasteful number, since it uses less digits than its factorization.

13330031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687418.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 13330031010 its reverse (1013003331), we get a palindrome (14343034341).

The spelling of 13330031010 in words is "thirteen billion, three hundred thirty million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 647 1294 1941 3235 3882 6470 9705 19410 686761 1373522 2060283 3433805 4120566 6867610 10301415 20602830 444334367 888668734 1333003101 2221671835 2666006202 4443343670 6665015505 13330031010