Search a number
-
+
13112321033220 = 2235218538683887
BaseRepresentation
bin1011111011001111001100…
…1111001100010000000100
31201102112012012100012122220
42332303303033030100010
53204313013141030340
643515414522052340
72522222352544503
oct276636317142004
951375165305586
1013112321033220
1141a59a4427482
12157930994a0b0
13741642cb2c56
143348d559083a
1517b135407ed0
hexbecf33cc404

13112321033220 has 24 divisors (see below), whose sum is σ = 36714498893184. Its totient is φ = 3496618942176.

The previous prime is 13112321033213. The next prime is 13112321033233. The reversal of 13112321033220 is 2233012321131.

13112321033220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 109269341884 + ... + 109269342003.

It is an arithmetic number, because the mean of its divisors is an integer number (1529770787216).

Almost surely, 213112321033220 is an apocalyptic number.

13112321033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112321033220 is an abundant number, since it is smaller than the sum of its proper divisors (23602177859964).

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

13112321033220 is a wasteful number, since it uses less digits than its factorization.

13112321033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218538683899 (or 218538683897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13112321033220 its reverse (2233012321131), we get a palindrome (15345333354351).

The spelling of 13112321033220 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-one million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218538683887 437077367774 655616051661 874154735548 1092693419435 1311232103322 2185386838870 2622464206644 3278080258305 4370773677740 6556160516610 13112321033220