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130030255 = 539296619
BaseRepresentation
bin1111100000000…
…01101010101111
3100001200012222101
413300001222233
5231241432010
620522555531
73136144645
oct760015257
9301605871
10130030255
1167442723
1237668ba7
1320c294a4
14133ab195
15b63773a
hex7c01aaf

130030255 has 8 divisors (see below), whose sum is σ = 156099600. Its totient is φ = 103982016.

The previous prime is 130030217. The next prime is 130030259. The reversal of 130030255 is 552030031.

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

It is a cyclic number.

It is not a de Polignac number, because 130030255 - 29 = 130029743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030259) 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, 16336 + ... + 22954.

It is an arithmetic number, because the mean of its divisors is an integer number (19512450).

Almost surely, 2130030255 is an apocalyptic number.

130030255 is a deficient number, since it is larger than the sum of its proper divisors (26069345).

130030255 is an equidigital number, since it uses as much as digits as its factorization.

130030255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 130030255 is about 11403.0809433240. The cubic root of 130030255 is about 506.6189977564.

Adding to 130030255 its reverse (552030031), we get a palindrome (682060286).

The spelling of 130030255 in words is "one hundred thirty million, thirty thousand, two hundred fifty-five".

Divisors: 1 5 3929 6619 19645 33095 26006051 130030255