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13113033220 = 225793664523
BaseRepresentation
bin11000011011001100…
…10000001000000100
31020211212111002220001
430031212100020010
5203323414030340
610005105451044
7642644641360
oct141546201004
936755432801
1013113033220
115619a68a41
12265b640a84
13130c929871
148c57902a0
1551b32d29a
hex30d990204

13113033220 has 24 divisors (see below), whose sum is σ = 31471280064. Its totient is φ = 4495897056.

The previous prime is 13113033203. The next prime is 13113033221. The reversal of 13113033220 is 2233031131.

It is not an unprimeable number, because it can be changed into a prime (13113033221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46832122 + ... + 46832401.

It is an arithmetic number, because the mean of its divisors is an integer number (1311303336).

Almost surely, 213113033220 is an apocalyptic number.

13113033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113033220 is an abundant number, since it is smaller than the sum of its proper divisors (18358246844).

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

13113033220 is a wasteful number, since it uses less digits than its factorization.

13113033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93664539 (or 93664537 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13113033220 its reverse (2233031131), we get a palindrome (15346064351).

The spelling of 13113033220 in words is "thirteen billion, one hundred thirteen million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 93664523 187329046 374658092 468322615 655651661 936645230 1311303322 1873290460 2622606644 3278258305 6556516610 13113033220