Base | Representation |
---|---|
bin | 11101000111111000… |
… | …110000101011010010 |
3 | 2222201022120220022110 |
4 | 131013320300223102 |
5 | 1003020313122400 |
6 | 22210550250150 |
7 | 2154630456615 |
oct | 350770605322 |
9 | 88638526273 |
10 | 31270832850 |
11 | 1229762a614 |
12 | 6088656956 |
13 | 2c4475a1ba |
14 | 172913617c |
15 | c304a6e50 |
hex | 747e30ad2 |
31270832850 has 48 divisors (see below), whose sum is σ = 77899514112. Its totient is φ = 8301485760.
The previous prime is 31270832837. The next prime is 31270832891. The reversal of 31270832850 is 5823807213.
It is a junction number, because it is equal to n+sod(n) for n = 31270832799 and 31270832808.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433977 + ... + 500876.
It is an arithmetic number, because the mean of its divisors is an integer number (1622906544).
Almost surely, 231270832850 is an apocalyptic number.
31270832850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31270832850 is an abundant number, since it is smaller than the sum of its proper divisors (46628681262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31270832850 is a wasteful number, since it uses less digits than its factorization.
31270832850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 935091 (or 935086 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 31270832850 in words is "thirty-one billion, two hundred seventy million, eight hundred thirty-two thousand, eight hundred fifty".
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