Base | Representation |
---|---|
bin | 11100111011010010… |
… | …001000001011101011 |
3 | 2222011120200221001112 |
4 | 130323102020023223 |
5 | 1002102200111143 |
6 | 22133554140535 |
7 | 2146452236066 |
oct | 347322101353 |
9 | 88146627045 |
10 | 31059378923 |
11 | 12199234101 |
12 | 602988174b |
13 | 2c0c9c2631 |
14 | 17090118dd |
15 | c1bb38e18 |
hex | 73b4882eb |
31059378923 has 8 divisors (see below), whose sum is σ = 31269874800. Its totient is φ = 30849043680.
The previous prime is 31059378881. The next prime is 31059379003. The reversal of 31059378923 is 32987395013.
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 31059378923 - 28 = 31059378667 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31059378323) 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, 361388 + ... + 438998.
It is an arithmetic number, because the mean of its divisors is an integer number (3908734350).
Almost surely, 231059378923 is an apocalyptic number.
31059378923 is a deficient number, since it is larger than the sum of its proper divisors (210495877).
31059378923 is a wasteful number, since it uses less digits than its factorization.
31059378923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80317.
The product of its (nonzero) digits is 1224720, while the sum is 50.
The spelling of 31059378923 in words is "thirty-one billion, fifty-nine million, three hundred seventy-eight thousand, nine hundred twenty-three".
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