Base | Representation |
---|---|
bin | 1101011101110001101… |
… | …1000100010111110000 |
3 | 211010002212202011201210 |
4 | 3113130123010113300 |
5 | 12242231311200000 |
6 | 254134441400120 |
7 | 22466415013512 |
oct | 3273433042760 |
9 | 733085664653 |
10 | 231331350000 |
11 | 8a11a575193 |
12 | 38a00499040 |
13 | 18a7847782a |
14 | b2a728bbb2 |
15 | 603ddd2350 |
hex | 35dc6c45f0 |
231331350000 has 240 divisors, whose sum is σ = 752478775776. Its totient is φ = 61232640000.
The previous prime is 231331349957. The next prime is 231331350053. The reversal of 231331350000 is 53133132.
231331350000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (240).
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, 20544372 + ... + 20555628.
Almost surely, 2231331350000 is an apocalyptic number.
231331350000 is a gapful number since it is divisible by the number (20) 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 231331350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376239387888).
231331350000 is an abundant number, since it is smaller than the sum of its proper divisors (521147425776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231331350000 is a wasteful number, since it uses less digits than its factorization.
231331350000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11430 (or 11404 counting only the distinct ones).
The product of its (nonzero) digits is 810, while the sum is 21.
Adding to 231331350000 its reverse (53133132), we get a palindrome (231384483132).
The spelling of 231331350000 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred fifty thousand".
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