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1315293672 = 2337211175981
BaseRepresentation
bin100111001100101…
…1100100111101000
310101122221211201110
41032121130213220
510143203344142
6334303150320
744410545300
oct11631344750
93348854643
101315293672
116154a3670
123085a53a0
1317c6611a4
14c6982600
157a71199c
hex4e65c9e8

1315293672 has 192 divisors, whose sum is σ = 4419023040. Its totient is φ = 321484800.

The previous prime is 1315293659. The next prime is 1315293691. The reversal of 1315293672 is 2763925131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315293672.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216922 + ... + 222902.

It is an arithmetic number, because the mean of its divisors is an integer number (23015745).

Almost surely, 21315293672 is an apocalyptic number.

1315293672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315293672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209511520).

1315293672 is an abundant number, since it is smaller than the sum of its proper divisors (3103729368).

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

1315293672 is a wasteful number, since it uses less digits than its factorization.

1315293672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032 (or 6021 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 1315293672 is about 36266.9777069995. The cubic root of 1315293672 is about 1095.6560560517.

The spelling of 1315293672 in words is "one billion, three hundred fifteen million, two hundred ninety-three thousand, six hundred seventy-two".