Base | Representation |
---|---|
bin | 1101011101000100011… |
… | …1110101110110001000 |
3 | 211002121200000000200110 |
4 | 3113101013311312020 |
5 | 12241334242313032 |
6 | 254103550034320 |
7 | 22461623355234 |
oct | 3272107656610 |
9 | 732550000613 |
10 | 231141760392 |
11 | 8a032552764 |
12 | 38968aa89a0 |
13 | 18a480c6b2a |
14 | b28a0195c4 |
15 | 602c4327cc |
hex | 35d11f5d88 |
231141760392 has 128 divisors (see below), whose sum is σ = 601626009600. Its totient is φ = 73943923200.
The previous prime is 231141760391. The next prime is 231141760403. The reversal of 231141760392 is 293067141132.
It is a super-2 number, since 2×2311417603922 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 231141760392.
It is not an unprimeable number, because it can be changed into a prime (231141760391) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33461403 + ... + 33468309.
It is an arithmetic number, because the mean of its divisors is an integer number (4700203200).
Almost surely, 2231141760392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231141760392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300813004800).
231141760392 is an abundant number, since it is smaller than the sum of its proper divisors (370484249208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231141760392 is a wasteful number, since it uses less digits than its factorization.
231141760392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7507 (or 7503 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 39.
The spelling of 231141760392 in words is "two hundred thirty-one billion, one hundred forty-one million, seven hundred sixty thousand, three hundred ninety-two".
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