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1371672768 = 2637144129
BaseRepresentation
bin101000111000010…
…0001000011000000
310112121001012022010
41101300201003000
510302122012033
6344035412520
745664011654
oct12160410300
93477035263
101371672768
11644301064
12323454140
1318b240cbb
14d025aa64
158064b863
hex51c210c0

1371672768 has 28 divisors (see below), whose sum is σ = 3629218040. Its totient is φ = 457224192.

The previous prime is 1371672767. The next prime is 1371672791. The reversal of 1371672768 is 8672761731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1371672763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571873 + ... + 3572256.

It is an arithmetic number, because the mean of its divisors is an integer number (129614930).

Almost surely, 21371672768 is an apocalyptic number.

It is an amenable number.

1371672768 is an abundant number, since it is smaller than the sum of its proper divisors (2257545272).

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

1371672768 is an equidigital number, since it uses as much as digits as its factorization.

1371672768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144144 (or 7144134 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 1371672768 is about 37036.1008746871. The cubic root of 1371672768 is about 1111.0923877852.

The spelling of 1371672768 in words is "one billion, three hundred seventy-one million, six hundred seventy-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 7144129 14288258 21432387 28576516 42864774 57153032 85729548 114306064 171459096 228612128 342918192 457224256 685836384 1371672768