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13231110132 = 2233172735807
BaseRepresentation
bin11000101001010001…
…01011011111110100
31021011002200000222000
430110220223133310
5204044131011012
610024524335300
7645610403052
oct142450533764
937132600860
1013231110132
11567a686969
1226930a4530
13132b22c366
148d73291d2
155268a3ddc
hex314a2b7f4

13231110132 has 144 divisors (see below), whose sum is σ = 36944920320. Its totient is φ = 4093369344.

The previous prime is 13231110103. The next prime is 13231110143. The reversal of 13231110132 is 23101113231.

It is a super-2 number, since 2×132311101322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2275573 + ... + 2281379.

Almost surely, 213231110132 is an apocalyptic number.

13231110132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231110132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18472460160).

13231110132 is an abundant number, since it is smaller than the sum of its proper divisors (23713810188).

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

13231110132 is a wasteful number, since it uses less digits than its factorization.

13231110132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13231110132 its reverse (23101113231), we get a palindrome (36332223363).

The spelling of 13231110132 in words is "thirteen billion, two hundred thirty-one million, one hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 73 102 108 146 153 204 219 289 292 306 438 459 578 612 657 867 876 918 1156 1241 1314 1734 1836 1971 2482 2601 2628 3468 3723 3942 4964 5202 5807 7446 7803 7884 10404 11169 11614 14892 15606 17421 21097 22338 23228 31212 33507 34842 42194 44676 52263 63291 67014 69684 84388 98719 104526 126582 134028 156789 189873 197438 209052 253164 296157 313578 379746 394876 423911 569619 592314 627156 759492 847822 888471 1139238 1184628 1271733 1678223 1695644 1776942 2278476 2543466 2665413 3356446 3553884 3815199 5034669 5086932 5330826 6712892 7206487 7630398 10069338 10661652 11445597 14412974 15104007 15260796 20138676 21619461 22891194 28825948 30208014 43238922 45312021 45782388 60416028 64858383 86477844 90624042 122510279 129716766 181248084 194575149 245020558 259433532 367530837 389150298 490041116 735061674 778300596 1102592511 1470123348 2205185022 3307777533 4410370044 6615555066 13231110132