Base | Representation |
---|---|
bin | 11101100100000001… |
… | …100101010111101011 |
3 | 10000221012212210111221 |
4 | 131210001211113223 |
5 | 1010002141023013 |
6 | 22325452402511 |
7 | 2202422156641 |
oct | 354401452753 |
9 | 100835783457 |
10 | 31742907883 |
11 | 1250a053575 |
12 | 619a776437 |
13 | 2cbb4b593b |
14 | 1771add191 |
15 | c5bb5608d |
hex | 7640655eb |
31742907883 has 8 divisors (see below), whose sum is σ = 32018812160. Its totient is φ = 31467868200.
The previous prime is 31742907811. The next prime is 31742907887. The reversal of 31742907883 is 38870924713.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31742907883 - 217 = 31742776811 is a prime.
It is a super-2 number, since 2×317429078832 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31742907883.
It is not an unprimeable number, because it can be changed into a prime (31742907887) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142293 + ... + 289366.
It is an arithmetic number, because the mean of its divisors is an integer number (4002351520).
Almost surely, 231742907883 is an apocalyptic number.
31742907883 is a deficient number, since it is larger than the sum of its proper divisors (275904277).
31742907883 is a wasteful number, since it uses less digits than its factorization.
31742907883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432297.
The product of its (nonzero) digits is 2032128, while the sum is 52.
The spelling of 31742907883 in words is "thirty-one billion, seven hundred forty-two million, nine hundred seven thousand, eight hundred eighty-three".
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