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13230201432 = 2337110971011
BaseRepresentation
bin11000101001001010…
…01101101001011000
31021011000221212110110
430110211031221120
5204043412421212
610024453044320
7645566566560
oct142445155130
937130855413
1013230201432
11567a116178
1226929266a0
13132aca1876
148d716dda0
15526774a3c
hex31494da58

13230201432 has 64 divisors (see below), whose sum is σ = 37835193600. Its totient is φ = 3776595840.

The previous prime is 13230201401. The next prime is 13230201433. The reversal of 13230201432 is 23410203231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13230201399 and 13230201408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230201433) 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, 150807 + ... + 221817.

It is an arithmetic number, because the mean of its divisors is an integer number (591174900).

Almost surely, 213230201432 is an apocalyptic number.

13230201432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13230201432 is an abundant number, since it is smaller than the sum of its proper divisors (24604992168).

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

13230201432 is a wasteful number, since it uses less digits than its factorization.

13230201432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72136 (or 72132 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13230201432 its reverse (23410203231), we get a palindrome (36640404663).

The spelling of 13230201432 in words is "thirteen billion, two hundred thirty million, two hundred one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1109 2218 3327 4436 6654 7763 8872 13308 15526 23289 26616 31052 46578 62104 71011 93156 142022 186312 213033 284044 426066 497077 568088 852132 994154 1491231 1704264 1988308 2982462 3976616 5964924 11929848 78751199 157502398 236253597 315004796 472507194 551258393 630009592 945014388 1102516786 1653775179 1890028776 2205033572 3307550358 4410067144 6615100716 13230201432