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1313583070 = 25712716827
BaseRepresentation
bin100111001001011…
…1010111111011110
310101112201221012211
41032102322333132
510142234124240
6334202351034
744360162152
oct11622727736
93345657184
101313583070
11614535448
12307abb47a
1317c1b26b7
14c6659062
157a4c4bea
hex4e4bafde

1313583070 has 32 divisors (see below), whose sum is σ = 2406951936. Its totient is φ = 516045600.

The previous prime is 1313583067. The next prime is 1313583079. The reversal of 1313583070 is 703853131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313583079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188997 + ... + 195823.

It is an arithmetic number, because the mean of its divisors is an integer number (75217248).

Almost surely, 21313583070 is an apocalyptic number.

1313583070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313583070 is a deficient number, since it is larger than the sum of its proper divisors (1093368866).

1313583070 is a wasteful number, since it uses less digits than its factorization.

1313583070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1313583070 is about 36243.3865691384. The cubic root of 1313583070 is about 1095.1808657128.

The spelling of 1313583070 in words is "one billion, three hundred thirteen million, five hundred eighty-three thousand, seventy".

Divisors: 1 2 5 10 71 142 271 355 542 710 1355 2710 6827 13654 19241 34135 38482 68270 96205 192410 484717 969434 1850117 2423585 3700234 4847170 9250585 18501170 131358307 262716614 656791535 1313583070