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13395912380 = 2251937199479
BaseRepresentation
bin11000111100111010…
…10110011010111100
31021120120202212010222
430132131112122330
5204413323144010
610053132520512
7652651243064
oct143635263274
937516685128
1013395912380
115754709274
12271a320138
131356411896
149111883a4
155360a9355
hex31e7566bc

13395912380 has 48 divisors (see below), whose sum is σ = 29623104000. Its totient is φ = 5074445376.

The previous prime is 13395912373. The next prime is 13395912403. The reversal of 13395912380 is 8321959331.

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, 1408481 + ... + 1417959.

It is an arithmetic number, because the mean of its divisors is an integer number (617148000).

Almost surely, 213395912380 is an apocalyptic number.

13395912380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13395912380 is an abundant number, since it is smaller than the sum of its proper divisors (16227191620).

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

13395912380 is a wasteful number, since it uses less digits than its factorization.

13395912380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226 (or 13224 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 13395912380 in words is "thirteen billion, three hundred ninety-five million, nine hundred twelve thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3719 7438 9479 14876 18595 18958 37190 37916 47395 70661 74380 94790 141322 180101 189580 282644 353305 360202 706610 720404 900505 1413220 1801010 3602020 35252401 70504802 141009604 176262005 352524010 669795619 705048020 1339591238 2679182476 3348978095 6697956190 13395912380