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12037344420 = 2235647310081
BaseRepresentation
bin10110011010111101…
…10100110010100100
31011001220101110021010
423031132310302210
5144123030010140
65310242022220
7604203511413
oct131536646244
934056343233
1012037344420
115117849032
1223bb347970
13119ab0b70a
1482297d47a
154a6b9a880
hex2cd7b4ca4

12037344420 has 48 divisors (see below), whose sum is σ = 33756766848. Its totient is φ = 3204986880.

The previous prime is 12037344401. The next prime is 12037344427. The reversal of 12037344420 is 2444373021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12037344427) 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, 116221 + ... + 193860.

It is an arithmetic number, because the mean of its divisors is an integer number (703265976).

Almost surely, 212037344420 is an apocalyptic number.

12037344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12037344420 is an abundant number, since it is smaller than the sum of its proper divisors (21719422428).

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

12037344420 is a wasteful number, since it uses less digits than its factorization.

12037344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310740 (or 310738 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 12037344420 in words is "twelve billion, thirty-seven million, three hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 647 1294 1941 2588 3235 3882 6470 7764 9705 12940 19410 38820 310081 620162 930243 1240324 1550405 1860486 3100810 3720972 4651215 6201620 9302430 18604860 200622407 401244814 601867221 802489628 1003112035 1203734442 2006224070 2407468884 3009336105 4012448140 6018672210 12037344420