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13323320232 = 2333728875197
BaseRepresentation
bin11000110100010000…
…11011101110101000
31021101112011210102220
430122020123232220
5204241232221412
610042020554040
7651110232135
oct143210335650
937345153386
1013323320232
115717737762
1226b9b52920
131344376251
1490568d58c
1552ea1a68c
hex31a21bba8

13323320232 has 64 divisors (see below), whose sum is σ = 34226958720. Its totient is φ = 4318748928.

The previous prime is 13323320167. The next prime is 13323320237. The reversal of 13323320232 is 23202332331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13323320237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561058 + ... + 2566254.

It is an arithmetic number, because the mean of its divisors is an integer number (534796230).

Almost surely, 213323320232 is an apocalyptic number.

13323320232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13323320232 is an abundant number, since it is smaller than the sum of its proper divisors (20903638488).

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

13323320232 is a wasteful number, since it uses less digits than its factorization.

13323320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8126 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 13323320232 its reverse (23202332331), we get a palindrome (36525652563).

The spelling of 13323320232 in words is "thirteen billion, three hundred twenty-three million, three hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 2887 5197 5774 8661 10394 11548 15591 17322 20788 23096 31182 34644 41576 62364 69288 106819 124728 192289 213638 320457 384578 427276 576867 640914 769156 854552 1153734 1281828 1538312 2307468 2563656 4614936 15003739 30007478 45011217 60014956 90022434 120029912 180044868 360089736 555138343 1110276686 1665415029 2220553372 3330830058 4441106744 6661660116 13323320232