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30107544260 = 2255881255973
BaseRepresentation
bin11100000010100011…
…001010101011000100
32212201020122201100212
4130002203022223010
5443130012404020
621455313054552
72114043621653
oct340243125304
985636581325
1030107544260
111184aa18692
125a02b57458
132aba74a761
14165884119a
15bb32bdcc5
hex7028caac4

30107544260 has 24 divisors (see below), whose sum is σ = 63236840856. Its totient is φ = 12040922880.

The previous prime is 30107544241. The next prime is 30107544263. The reversal of 30107544260 is 6244570103.

It can be written as a sum of positive squares in 4 ways, for example, as 14654070916 + 15453473344 = 121054^2 + 124312^2 .

It is not an unprimeable number, because it can be changed into a prime (30107544263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10367 + ... + 245606.

It is an arithmetic number, because the mean of its divisors is an integer number (2634868369).

Almost surely, 230107544260 is an apocalyptic number.

It is an amenable number.

30107544260 is an abundant number, since it is smaller than the sum of its proper divisors (33129296596).

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

30107544260 is a wasteful number, since it uses less digits than its factorization.

30107544260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261863 (or 261861 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 30107544260 in words is "thirty billion, one hundred seven million, five hundred forty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 5881 11762 23524 29405 58810 117620 255973 511946 1023892 1279865 2559730 5119460 1505377213 3010754426 6021508852 7526886065 15053772130 30107544260