Base | Representation |
---|---|
bin | 11101010100100011… |
… | …010010101010000000 |
3 | 10000021010101210100100 |
4 | 131110203102222000 |
5 | 1003434211334142 |
6 | 22244020322400 |
7 | 2163120464634 |
oct | 352443225200 |
9 | 100233353310 |
10 | 31483308672 |
11 | 12396563872 |
12 | 6127843400 |
13 | 2c79791c3a |
14 | 1749444dc4 |
15 | c43e77b4c |
hex | 7548d2a80 |
31483308672 has 48 divisors (see below), whose sum is σ = 90596503530. Its totient is φ = 10494435840.
The previous prime is 31483308671. The next prime is 31483308691. The reversal of 31483308672 is 27680338413.
It can be written as a sum of positive squares in only one way, i.e., 30787615296 + 695693376 = 175464^2 + 26376^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (31483308671) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13663479 + ... + 13665782.
Almost surely, 231483308672 is an apocalyptic number.
31483308672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31483308672 is an abundant number, since it is smaller than the sum of its proper divisors (59113194858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31483308672 is a wasteful number, since it uses less digits than its factorization.
31483308672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27329281 (or 27329266 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The spelling of 31483308672 in words is "thirty-one billion, four hundred eighty-three million, three hundred eight thousand, six hundred seventy-two".
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