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13389543690 = 235449994027
BaseRepresentation
bin11000111100001010…
…00011100100001010
31021120010210021221120
430132011003210022
5204410210344230
610052344220110
7652543146345
oct143605034412
937503707846
1013389543690
115751059396
12271816a636
131354cc1b23
149103ab45c
1553574c310
hex31e14390a

13389543690 has 32 divisors (see below), whose sum is σ = 32206507200. Its totient is φ = 3562589184.

The previous prime is 13389543677. The next prime is 13389543709. The reversal of 13389543690 is 9634598331.

It is a happy number.

It is a super-2 number, since 2×133895436902 (a number of 21 digits) contains 22 as substring.

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, 483544 + ... + 510483.

It is an arithmetic number, because the mean of its divisors is an integer number (1006453350).

Almost surely, 213389543690 is an apocalyptic number.

13389543690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13389543690 is an abundant number, since it is smaller than the sum of its proper divisors (18816963510).

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

13389543690 is a wasteful number, since it uses less digits than its factorization.

13389543690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994486.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 13389543690 in words is "thirteen billion, three hundred eighty-nine million, five hundred forty-three thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 449 898 1347 2245 2694 4490 6735 13470 994027 1988054 2982081 4970135 5964162 9940270 14910405 29820810 446318123 892636246 1338954369 2231590615 2677908738 4463181230 6694771845 13389543690