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130023011 = 425930529
BaseRepresentation
bin1111011111111…
…11111001100011
3100001122212001002
413233333321203
5231241214021
620522502215
73136114556
oct757777143
9301585032
10130023011
1167438238
123766496b
1320c260c1
14133a869d
15b63550b
hex7bffe63

130023011 has 4 divisors (see below), whose sum is σ = 130057800. Its totient is φ = 129988224.

The previous prime is 130023007. The next prime is 130023031. The reversal of 130023011 is 110320031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130023011 - 22 = 130023007 is a prime.

It is a super-2 number, since 2×1300230112 = 33811966779012242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130022983 and 130023001.

It is not an unprimeable number, because it can be changed into a prime (130023031) 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, 11006 + ... + 19523.

It is an arithmetic number, because the mean of its divisors is an integer number (32514450).

Almost surely, 2130023011 is an apocalyptic number.

130023011 is a deficient number, since it is larger than the sum of its proper divisors (34789).

130023011 is an equidigital number, since it uses as much as digits as its factorization.

130023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34788.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 130023011 is about 11402.7633054449. The cubic root of 130023011 is about 506.6095896480.

Adding to 130023011 its reverse (110320031), we get a palindrome (240343042).

The spelling of 130023011 in words is "one hundred thirty million, twenty-three thousand, eleven".

Divisors: 1 4259 30529 130023011