Base | Representation |
---|---|
bin | 11101010100110111… |
… | …010111101010011100 |
3 | 10000021111022012100122 |
4 | 131110313113222130 |
5 | 1003442033301220 |
6 | 22244325214112 |
7 | 2163213306041 |
oct | 352467275234 |
9 | 100244265318 |
10 | 31488572060 |
11 | 12399529280 |
12 | 6129561338 |
13 | 2c7a8b587a |
14 | 174a0151c8 |
15 | c44667425 |
hex | 754dd7a9c |
31488572060 has 24 divisors (see below), whose sum is σ = 72137456496. Its totient is φ = 11450389760.
The previous prime is 31488572033. The next prime is 31488572081. The reversal of 31488572060 is 6027588413.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71564717 + ... + 71565156.
It is an arithmetic number, because the mean of its divisors is an integer number (3005727354).
Almost surely, 231488572060 is an apocalyptic number.
It is an amenable number.
31488572060 is an abundant number, since it is smaller than the sum of its proper divisors (40648884436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31488572060 is a wasteful number, since it uses less digits than its factorization.
31488572060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143129893 (or 143129891 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 31488572060 in words is "thirty-one billion, four hundred eighty-eight million, five hundred seventy-two thousand, sixty".
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