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1313383808 = 2711932801
BaseRepresentation
bin100111001001000…
…1010010110000000
310101112100210212202
41032102022112000
510142211240213
6334154212332
744355402212
oct11622122600
93345323782
101313383808
11614409770
12307a240a8
1317c142aa9
14c66065b2
157a485b58
hex4e48a580

1313383808 has 32 divisors (see below), whose sum is σ = 2854374120. Its totient is φ = 596992000.

The previous prime is 1313383793. The next prime is 1313383811. The reversal of 1313383808 is 8083833131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464993 + ... + 467808.

Almost surely, 21313383808 is an apocalyptic number.

It is an amenable number.

1313383808 is an abundant number, since it is smaller than the sum of its proper divisors (1540990312).

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

1313383808 is an equidigital number, since it uses as much as digits as its factorization.

1313383808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932826 (or 932814 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1313383808 is about 36240.6375219863. The cubic root of 1313383808 is about 1095.1254856433.

The spelling of 1313383808 in words is "one billion, three hundred thirteen million, three hundred eighty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 932801 1865602 3731204 7462408 10260811 14924816 20521622 29849632 41043244 59699264 82086488 119398528 164172976 328345952 656691904 1313383808