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13303123230 = 235443437441
BaseRepresentation
bin11000110001110110…
…11000110100011110
31021100010011200100210
430120323120310132
5204221044420410
610040020033250
7650443452555
oct143073306436
937303150323
1013303123230
1157072a2421
1226b3232826
131340124267
14902b12d9c
1552cd7b220
hex318ed8d1e

13303123230 has 16 divisors (see below), whose sum is σ = 31927495824. Its totient is φ = 3547499520.

The previous prime is 13303123213. The next prime is 13303123291. The reversal of 13303123230 is 3232130331.

It is a junction number, because it is equal to n+sod(n) for n = 13303123197 and 13303123206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221718691 + ... + 221718750.

It is an arithmetic number, because the mean of its divisors is an integer number (1995468489).

Almost surely, 213303123230 is an apocalyptic number.

13303123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13303123230 is an abundant number, since it is smaller than the sum of its proper divisors (18624372594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13303123230 is a wasteful number, since it uses less digits than its factorization.

13303123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443437451.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13303123230 its reverse (3232130331), we get a palindrome (16535253561).

The spelling of 13303123230 in words is "thirteen billion, three hundred three million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 443437441 886874882 1330312323 2217187205 2660624646 4434374410 6651561615 13303123230