Base | Representation |
---|---|
bin | 11101101001101101… |
… | …000110011000001000 |
3 | 10001011212012012120200 |
4 | 131221231012120020 |
5 | 1010201034420402 |
6 | 22343135052200 |
7 | 2204660150316 |
oct | 355155063010 |
9 | 101155165520 |
10 | 31838201352 |
11 | 1255891aa01 |
12 | 6206671060 |
13 | 300516c0c9 |
14 | 17806270b6 |
15 | c651cb21c |
hex | 769b46608 |
31838201352 has 96 divisors (see below), whose sum is σ = 94713278400. Its totient is φ = 9617021568.
The previous prime is 31838201303. The next prime is 31838201357. The reversal of 31838201352 is 25310283813.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (31838201357) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474483 + ... + 537410.
It is an arithmetic number, because the mean of its divisors is an integer number (986596650).
Almost surely, 231838201352 is an apocalyptic number.
It is an amenable number.
31838201352 is an abundant number, since it is smaller than the sum of its proper divisors (62875077048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31838201352 is a wasteful number, since it uses less digits than its factorization.
31838201352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011947 (or 1011940 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 31838201352 in words is "thirty-one billion, eight hundred thirty-eight million, two hundred one thousand, three hundred fifty-two".
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