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1313413140 = 2235135331771
BaseRepresentation
bin100111001001001…
…0001100000010100
310101112102022010010
41032102101200110
510142213210030
6334155000220
744355553554
oct11622214024
93345368103
101313413140
11614429806
12307a39070
1317c153250
14c6613164
157a48e6b0
hex4e491814

1313413140 has 96 divisors (see below), whose sum is σ = 4035298176. Its totient is φ = 317191680.

The previous prime is 1313413121. The next prime is 1313413141. The reversal of 1313413140 is 413143131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313413141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25455 + ... + 57225.

It is an arithmetic number, because the mean of its divisors is an integer number (42034356).

Almost surely, 21313413140 is an apocalyptic number.

1313413140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313413140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017649088).

1313413140 is an abundant number, since it is smaller than the sum of its proper divisors (2721885036).

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

1313413140 is a wasteful number, since it uses less digits than its factorization.

1313413140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31849 (or 31847 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1313413140 is about 36241.0422035570. The cubic root of 1313413140 is about 1095.1336381172.

Adding to 1313413140 its reverse (413143131), we get a palindrome (1726556271).

The spelling of 1313413140 in words is "one billion, three hundred thirteen million, four hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 53 60 65 78 106 130 156 159 195 212 260 265 318 390 530 636 689 780 795 1060 1378 1590 2067 2756 3180 3445 4134 6890 8268 10335 13780 20670 31771 41340 63542 95313 127084 158855 190626 317710 381252 413023 476565 635420 826046 953130 1239069 1652092 1683863 1906260 2065115 2478138 3367726 4130230 4956276 5051589 6195345 6735452 8260460 8419315 10103178 12390690 16838630 20206356 21890219 24781380 25257945 33677260 43780438 50515890 65670657 87560876 101031780 109451095 131341314 218902190 262682628 328353285 437804380 656706570 1313413140