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130240223023 = 775916785697
BaseRepresentation
bin111100101001011101…
…1000001011100101111
3110110011122221211122211
41321102323001130233
54113212444114043
6135455335551251
712260321426011
oct1712273013457
9413148854584
10130240223023
1150264235259
12212a922b527
13c3878a3031
14643735c1b1
1535c3eb5a9d
hex1e52ec172f

130240223023 has 4 divisors (see below), whose sum is σ = 130257016480. Its totient is φ = 130223429568.

The previous prime is 130240223011. The next prime is 130240223033. The reversal of 130240223023 is 320322042031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320322042031 = 881363589151.

It is a cyclic number.

It is not a de Polignac number, because 130240223023 - 25 = 130240222991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130240222985 and 130240223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130240223033) 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, 8385090 + ... + 8400607.

It is an arithmetic number, because the mean of its divisors is an integer number (32564254120).

Almost surely, 2130240223023 is an apocalyptic number.

130240223023 is a deficient number, since it is larger than the sum of its proper divisors (16793457).

130240223023 is an equidigital number, since it uses as much as digits as its factorization.

130240223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16793456.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 130240223023 its reverse (320322042031), we get a palindrome (450562265054).

The spelling of 130240223023 in words is "one hundred thirty billion, two hundred forty million, two hundred twenty-three thousand, twenty-three".

Divisors: 1 7759 16785697 130240223023