Search a number
-
+
130042402 = 279288743
BaseRepresentation
bin1111100000001…
…00101000100010
3100001200211122021
413300010220202
5231242324102
620523132054
73136225240
oct760045042
9301624567
10130042402
1167450866
123767402a
1320c31b89
14133b1790
15b63b137
hex7c04a22

130042402 has 8 divisors (see below), whose sum is σ = 222929856. Its totient is φ = 55732452.

The previous prime is 130042397. The next prime is 130042417. The reversal of 130042402 is 204240031.

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

It is a super-2 number, since 2×1300424022 = 33822052635859208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4644358 + ... + 4644385.

It is an arithmetic number, because the mean of its divisors is an integer number (27866232).

Almost surely, 2130042402 is an apocalyptic number.

130042402 is a deficient number, since it is larger than the sum of its proper divisors (92887454).

130042402 is an equidigital number, since it uses as much as digits as its factorization.

130042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288752.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130042402 is about 11403.6135500989. The cubic root of 130042402 is about 506.6347728269.

Adding to 130042402 its reverse (204240031), we get a palindrome (334282433).

The spelling of 130042402 in words is "one hundred thirty million, forty-two thousand, four hundred two".

Divisors: 1 2 7 14 9288743 18577486 65021201 130042402