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1315296672 = 253106312889
BaseRepresentation
bin100111001100101…
…1101010110100000
310101122221222211120
41032121131112200
510143203443142
6334303212240
744410560114
oct11631352640
93348858746
101315296672
116154a5948
123085a7080
1317c662671
14c6983744
157a7127ec
hex4e65d5a0

1315296672 has 48 divisors (see below), whose sum is σ = 3456169920. Its totient is φ = 437985792.

The previous prime is 1315296667. The next prime is 1315296673. The reversal of 1315296672 is 2766925131.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1315296673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95604 + ... + 108492.

It is an arithmetic number, because the mean of its divisors is an integer number (72003540).

Almost surely, 21315296672 is an apocalyptic number.

1315296672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315296672 is an abundant number, since it is smaller than the sum of its proper divisors (2140873248).

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

1315296672 is a wasteful number, since it uses less digits than its factorization.

1315296672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965 (or 13957 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1315296672 is about 36267.0190669153. The cubic root of 1315296672 is about 1095.6568890636.

The spelling of 1315296672 in words is "one billion, three hundred fifteen million, two hundred ninety-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1063 2126 3189 4252 6378 8504 12756 12889 17008 25512 25778 34016 38667 51024 51556 77334 102048 103112 154668 206224 309336 412448 618672 1237344 13701007 27402014 41103021 54804028 82206042 109608056 164412084 219216112 328824168 438432224 657648336 1315296672