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1313245488 = 24327359281
BaseRepresentation
bin100111001000110…
…1000100100110000
310101112002210010210
41032101220210300
510142142323423
6334151224120
744354255022
oct11621504460
93345083123
101313245488
11614324855
12307978040
1317c0c4b49
14c65ac012
157a459b93
hex4e468930

1313245488 has 20 divisors (see below), whose sum is σ = 3392550968. Its totient is φ = 437748480.

The previous prime is 1313245487. The next prime is 1313245517. The reversal of 1313245488 is 8845423131.

It is a super-2 number, since 2×13132454882 = 3449227423504716288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313245481) 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, 13679593 + ... + 13679688.

Almost surely, 21313245488 is an apocalyptic number.

It is an amenable number.

1313245488 is an abundant number, since it is smaller than the sum of its proper divisors (2079305480).

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

1313245488 is a wasteful number, since it uses less digits than its factorization.

1313245488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27359292 (or 27359286 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 1313245488 is about 36238.7291167889. The cubic root of 1313245488 is about 1095.0870396398.

The spelling of 1313245488 in words is "one billion, three hundred thirteen million, two hundred forty-five thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 27359281 54718562 82077843 109437124 164155686 218874248 328311372 437748496 656622744 1313245488