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1372960180 = 22568648009
BaseRepresentation
bin101000111010101…
…1011010110110100
310112200110121022001
41101311123112310
510302434211210
6344123145044
746010653234
oct12165332664
93480417261
101372960180
11645000339
12323975184
1318b5a1c97
14d04b3cc4
158080303a
hex51d5b5b4

1372960180 has 12 divisors (see below), whose sum is σ = 2883216420. Its totient is φ = 549184064.

The previous prime is 1372960097. The next prime is 1372960207. The reversal of 1372960180 is 810692731.

It can be written as a sum of positive squares in 2 ways, for example, as 464661136 + 908299044 = 21556^2 + 30138^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34323985 + ... + 34324024.

It is an arithmetic number, because the mean of its divisors is an integer number (240268035).

Almost surely, 21372960180 is an apocalyptic number.

1372960180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372960180 is an abundant number, since it is smaller than the sum of its proper divisors (1510256240).

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

1372960180 is a wasteful number, since it uses less digits than its factorization.

1372960180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68648018 (or 68648016 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1372960180 is about 37053.4772997083. The cubic root of 1372960180 is about 1111.4398920439.

The spelling of 1372960180 in words is "one billion, three hundred seventy-two million, nine hundred sixty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 68648009 137296018 274592036 343240045 686480090 1372960180