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130383818 = 2127950971
BaseRepresentation
bin1111100010101…
…11111111001010
3100002100011222022
413301113333022
5231334240233
620534324442
73142146515
oct761277712
9302304868
10130383818
1167664324
12377b9722
13210213b6
141345dd7c
15b6a7398
hex7c57fca

130383818 has 8 divisors (see below), whose sum is σ = 195732480. Its totient is φ = 65139660.

The previous prime is 130383817. The next prime is 130383881. The reversal of 130383818 is 818383031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130383817) 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, 22928 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (24466560).

Almost surely, 2130383818 is an apocalyptic number.

130383818 is a deficient number, since it is larger than the sum of its proper divisors (65348662).

130383818 is a wasteful number, since it uses less digits than its factorization.

130383818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52252.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 130383818 is about 11418.5733784917. The cubic root of 130383818 is about 507.0777618304.

The spelling of 130383818 in words is "one hundred thirty million, three hundred eighty-three thousand, eight hundred eighteen".

Divisors: 1 2 1279 2558 50971 101942 65191909 130383818