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1313073784 = 2311131113903
BaseRepresentation
bin100111001000011…
…1110101001111000
310101111210001121101
41032100332221320
510142121330114
6334143421144
744352641311
oct11620765170
93344701541
101313073784
11614217850
123078b47b4
1317c064949
14c6565608
157a423d74
hex4e43ea78

1313073784 has 32 divisors (see below), whose sum is σ = 2706359040. Its totient is φ = 592290400.

The previous prime is 1313073737. The next prime is 1313073791. The reversal of 1313073784 is 4873703131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45424 + ... + 68479.

It is an arithmetic number, because the mean of its divisors is an integer number (84573720).

Almost surely, 21313073784 is an apocalyptic number.

It is an amenable number.

1313073784 is an abundant number, since it is smaller than the sum of its proper divisors (1393285256).

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

1313073784 is a wasteful number, since it uses less digits than its factorization.

1313073784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114051 (or 114047 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1313073784 is about 36236.3599717190. The cubic root of 1313073784 is about 1095.0393108077.

The spelling of 1313073784 in words is "one billion, three hundred thirteen million, seventy-three thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 131 262 524 1048 1441 2882 5764 11528 113903 227806 455612 911224 1252933 2505866 5011732 10023464 14921293 29842586 59685172 119370344 164134223 328268446 656536892 1313073784