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13112033232 = 243834916703
BaseRepresentation
bin11000011011000100…
…11011111111010000
31020211210121022011110
430031202123333100
5203323140030412
610005032213320
7642633305064
oct141542337720
936753538143
1013112033232
115619445701
12265b23a240
13130c66965c
148c55adaa4
1551b1d1d3c
hex30d89bfd0

13112033232 has 80 divisors (see below), whose sum is σ = 34355801088. Its totient is φ = 4308581760.

The previous prime is 13112033213. The next prime is 13112033239. The reversal of 13112033232 is 23233021131.

It is a junction number, because it is equal to n+sod(n) for n = 13112033199 and 13112033208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112033239) 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, 1952793 + ... + 1959495.

Almost surely, 213112033232 is an apocalyptic number.

13112033232 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 13112033232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17177900544).

13112033232 is an abundant number, since it is smaller than the sum of its proper divisors (21243767856).

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

13112033232 is a wasteful number, since it uses less digits than its factorization.

13112033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13112033232 its reverse (23233021131), we get a palindrome (36345054363).

The spelling of 13112033232 in words is "thirteen billion, one hundred twelve million, thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 83 166 249 332 491 498 664 982 996 1328 1473 1964 1992 2946 3928 3984 5892 6703 7856 11784 13406 20109 23568 26812 40218 40753 53624 80436 81506 107248 122259 160872 163012 244518 321744 326024 489036 556349 652048 978072 1112698 1669047 1956144 2225396 3291173 3338094 4450792 6582346 6676188 8901584 9873519 13164692 13352376 19747038 26329384 26704752 39494076 52658768 78988152 157976304 273167359 546334718 819502077 1092669436 1639004154 2185338872 3278008308 4370677744 6556016616 13112033232