Base | Representation |
---|---|
bin | 11101001000101010… |
… | …101001011000110100 |
3 | 2222202020012022001121 |
4 | 131020222221120310 |
5 | 1003032140111241 |
6 | 22212134433324 |
7 | 2155146564160 |
oct | 351052513064 |
9 | 88666168047 |
10 | 31283910196 |
11 | 122a3a51840 |
12 | 6090b02844 |
13 | 2c47388686 |
14 | 172ab7bca0 |
15 | c316dbad1 |
hex | 748aa9634 |
31283910196 has 96 divisors (see below), whose sum is σ = 70907316480. Its totient is φ = 11718604800.
The previous prime is 31283910181. The next prime is 31283910209. The reversal of 31283910196 is 69101938213.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2145346 + ... + 2159878.
It is an arithmetic number, because the mean of its divisors is an integer number (738617880).
Almost surely, 231283910196 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 31283910196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35453658240).
31283910196 is an abundant number, since it is smaller than the sum of its proper divisors (39623406284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31283910196 is a wasteful number, since it uses less digits than its factorization.
31283910196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14825 (or 14823 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 43.
The spelling of 31283910196 in words is "thirty-one billion, two hundred eighty-three million, nine hundred ten thousand, one hundred ninety-six".
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