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130023013 = 414373751
BaseRepresentation
bin1111011111111…
…11111001100101
3100001122212001011
413233333321211
5231241214023
620522502221
73136114561
oct757777145
9301585034
10130023013
116743823a
1237664971
1320c260c3
14133a86a1
15b63550d
hex7bffe65

130023013 has 8 divisors (see below), whose sum is σ = 136293696. Its totient is φ = 123900000.

The previous prime is 130023007. The next prime is 130023031. The reversal of 130023013 is 310320031.

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 130023013 - 213 = 130014821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130022984 and 130023002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130023043) 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, 35113 + ... + 38638.

It is an arithmetic number, because the mean of its divisors is an integer number (17036712).

Almost surely, 2130023013 is an apocalyptic number.

It is an amenable number.

130023013 is a deficient number, since it is larger than the sum of its proper divisors (6270683).

130023013 is an equidigital number, since it uses as much as digits as its factorization.

130023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73835.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130023013 is about 11402.7633931429. The cubic root of 130023013 is about 506.6095922456.

Adding to 130023013 its reverse (310320031), we get a palindrome (440343044).

The spelling of 130023013 in words is "one hundred thirty million, twenty-three thousand, thirteen".

Divisors: 1 41 43 1763 73751 3023791 3171293 130023013