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13223400204 = 2237523300997
BaseRepresentation
bin11000101000010110…
…10001001100001100
31021010120011022221010
430110023101030030
5204040142301304
610024051205220
7645455022120
oct142413211414
937116138833
1013223400204
1156762a0323
1226905a6810
13132975cc81
148d62bd580
15525d7e789
hex3142d130c

13223400204 has 48 divisors (see below), whose sum is σ = 35329941248. Its totient is φ = 3770877888.

The previous prime is 13223400181. The next prime is 13223400209. The reversal of 13223400204 is 40200432231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13223400209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106567 + ... + 194430.

Almost surely, 213223400204 is an apocalyptic number.

13223400204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13223400204 is an abundant number, since it is smaller than the sum of its proper divisors (22106541044).

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

13223400204 is a wasteful number, since it uses less digits than its factorization.

13223400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301534 (or 301532 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13223400204 its reverse (40200432231), we get a palindrome (53423832435).

The spelling of 13223400204 in words is "thirteen billion, two hundred twenty-three million, four hundred thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 523 1046 1569 2092 3138 3661 6276 7322 10983 14644 21966 43932 300997 601994 902991 1203988 1805982 2106979 3611964 4213958 6320937 8427916 12641874 25283748 157421431 314842862 472264293 629685724 944528586 1101950017 1889057172 2203900034 3305850051 4407800068 6611700102 13223400204