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1313052480 = 26325455921
BaseRepresentation
bin100111001000011…
…1001011101000000
310101111201222101100
41032100321131000
510142120134410
6334143134400
744352522225
oct11620713500
93344658340
101313052480
11614202843
123078a4400
1317c05803c
14c655b94c
157a41c8c0
hex4e439740

1313052480 has 84 divisors (see below), whose sum is σ = 4516363332. Its totient is φ = 350146560.

The previous prime is 1313052479. The next prime is 1313052491. The reversal of 1313052480 is 842503131.

It is a happy number.

1313052480 is a `hidden beast` number, since 1 + 3 + 130 + 52 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 756470016 + 556582464 = 27504^2 + 23592^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225081 + ... + 230840.

Almost surely, 21313052480 is an apocalyptic number.

1313052480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313052480 is an abundant number, since it is smaller than the sum of its proper divisors (3203310852).

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

1313052480 is a wasteful number, since it uses less digits than its factorization.

1313052480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455944 (or 455931 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1313052480 is about 36236.0660116409. The cubic root of 1313052480 is about 1095.0333886110.

The spelling of 1313052480 in words is "one billion, three hundred thirteen million, fifty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 455921 911842 1367763 1823684 2279605 2735526 3647368 4103289 4559210 5471052 6838815 7294736 8206578 9118420 10942104 13677630 14589472 16413156 18236840 20516445 21884208 27355260 29178944 32826312 36473680 41032890 43768416 54710520 65652624 72947360 82065780 87536832 109421040 131305248 145894720 164131560 218842080 262610496 328263120 437684160 656526240 1313052480