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130420130 = 2513042013
BaseRepresentation
bin1111100011000…
…00110110100010
3100002102000210012
413301200312202
5231341421010
620535204522
73142360421
oct761406642
9302360705
10130420130
1167689635
1237816742
1321034a99
141346d2b8
15b6b3005
hex7c60da2

130420130 has 8 divisors (see below), whose sum is σ = 234756252. Its totient is φ = 52168048.

The previous prime is 130420111. The next prime is 130420133. The reversal of 130420130 is 31024031.

It can be written as a sum of positive squares in 2 ways, for example, as 130393561 + 26569 = 11419^2 + 163^2 .

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 (130420133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6520997 + ... + 6521016.

Almost surely, 2130420130 is an apocalyptic number.

130420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130420130 is a deficient number, since it is larger than the sum of its proper divisors (104336122).

130420130 is a wasteful number, since it uses less digits than its factorization.

130420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042020.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130420130 is about 11420.1633088148. The cubic root of 130420130 is about 507.1248313182.

Adding to 130420130 its reverse (31024031), we get a palindrome (161444161).

The spelling of 130420130 in words is "one hundred thirty million, four hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 13042013 26084026 65210065 130420130