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11230530515 = 52246106103
BaseRepresentation
bin10100111010110010…
…00100101111010011
31001222200020001122122
422131121010233103
5141000003434030
65054221124455
7545205635321
oct123531045723
931880201578
1011230530515
114843383886
1222150b972b
13109c911239
1478775cd11
1545ae298e5
hex29d644bd3

11230530515 has 4 divisors (see below), whose sum is σ = 13476636624. Its totient is φ = 8984424408.

The previous prime is 11230530403. The next prime is 11230530523. The reversal of 11230530515 is 51503503211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51503503211 = 54794156313.

It is a cyclic number.

It is not a de Polignac number, because 11230530515 - 210 = 11230529491 is a prime.

It is a super-2 number, since 2×112305305152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123053047 + ... + 1123053056.

It is an arithmetic number, because the mean of its divisors is an integer number (3369159156).

Almost surely, 211230530515 is an apocalyptic number.

11230530515 is a deficient number, since it is larger than the sum of its proper divisors (2246106109).

11230530515 is an equidigital number, since it uses as much as digits as its factorization.

11230530515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246106108.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 11230530515 in words is "eleven billion, two hundred thirty million, five hundred thirty thousand, five hundred fifteen".

Divisors: 1 5 2246106103 11230530515