Base | Representation |
---|---|
bin | 11101010000100000… |
… | …100011110010100101 |
3 | 10000002101202220210001 |
4 | 131100200203302211 |
5 | 1003314330433212 |
6 | 22233154501301 |
7 | 2161335130033 |
oct | 352040436245 |
9 | 100071686701 |
10 | 31415483557 |
11 | 12361248857 |
12 | 6108b94831 |
13 | 2c68705333 |
14 | 174042b553 |
15 | c3d02b657 |
hex | 750823ca5 |
31415483557 has 32 divisors (see below), whose sum is σ = 35663846400. Its totient is φ = 27493113600.
The previous prime is 31415483503. The next prime is 31415483609. The reversal of 31415483557 is 75538451413.
It is a cyclic number.
It is not a de Polignac number, because 31415483557 - 231 = 29267999909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31415483857) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20790432 + ... + 20791942.
It is an arithmetic number, because the mean of its divisors is an integer number (1114495200).
Almost surely, 231415483557 is an apocalyptic number.
It is an amenable number.
31415483557 is a deficient number, since it is larger than the sum of its proper divisors (4248362843).
31415483557 is a wasteful number, since it uses less digits than its factorization.
31415483557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2697.
The product of its digits is 1008000, while the sum is 46.
The spelling of 31415483557 in words is "thirty-one billion, four hundred fifteen million, four hundred eighty-three thousand, five hundred fifty-seven".
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