Base | Representation |
---|---|
bin | 11101001001101111… |
… | …110001111011101100 |
3 | 2222210111022001001110 |
4 | 131021233301323230 |
5 | 1003101310030012 |
6 | 22214023112020 |
7 | 2155456614546 |
oct | 351157617354 |
9 | 88714261043 |
10 | 31302033132 |
11 | 123031aa877 |
12 | 6096ba2610 |
13 | 2c4b0625c6 |
14 | 172d338696 |
15 | c330bb73c |
hex | 749bf1eec |
31302033132 has 48 divisors (see below), whose sum is σ = 76901328000. Its totient is φ = 9882391680.
The previous prime is 31302033121. The next prime is 31302033163. The reversal of 31302033132 is 23133020313.
It is a junction number, because it is equal to n+sod(n) for n = 31302033099 and 31302033108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045207 + ... + 1074737.
It is an arithmetic number, because the mean of its divisors is an integer number (1602111000).
Almost surely, 231302033132 is an apocalyptic number.
It is an amenable number.
31302033132 is an abundant number, since it is smaller than the sum of its proper divisors (45599294868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31302033132 is a wasteful number, since it uses less digits than its factorization.
31302033132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34206 (or 34204 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 31302033132 its reverse (23133020313), we get a palindrome (54435053445).
The spelling of 31302033132 in words is "thirty-one billion, three hundred two million, thirty-three thousand, one hundred thirty-two".
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