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15430230001 = 112313740187
BaseRepresentation
bin11100101111011011…
…01001111111110001
31110211100200220022001
432113231221333301
5223100114330001
611031043214001
71054242535204
oct162755517761
943740626261
1015430230001
1165a8a651aa
122ba7677301
1315bba13214
14a6541793b
1560499a001
hex397b69ff1

15430230001 has 4 divisors (see below), whose sum is σ = 15443971312. Its totient is φ = 15416488692.

The previous prime is 15430229977. The next prime is 15430230007. The reversal of 15430230001 is 10003203451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15430230001 - 27 = 15430229873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15430230007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6868971 + ... + 6871216.

It is an arithmetic number, because the mean of its divisors is an integer number (3860992828).

Almost surely, 215430230001 is an apocalyptic number.

It is an amenable number.

15430230001 is a deficient number, since it is larger than the sum of its proper divisors (13741311).

15430230001 is a wasteful number, since it uses less digits than its factorization.

15430230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13741310.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 15430230001 its reverse (10003203451), we get a palindrome (25433433452).

The spelling of 15430230001 in words is "fifteen billion, four hundred thirty million, two hundred thirty thousand, one".

Divisors: 1 1123 13740187 15430230001