Base | Representation |
---|---|
bin | 11100111100001110… |
… | …110100110010101010 |
3 | 2222012200122022100010 |
4 | 130330032310302222 |
5 | 1002120233242112 |
6 | 22135323152350 |
7 | 2150034415641 |
oct | 347416646252 |
9 | 88180568303 |
10 | 31075290282 |
11 | 121a7211593 |
12 | 60330756b6 |
13 | 2c130a3a3a |
14 | 170b194358 |
15 | c1d22d63c |
hex | 73c3b4caa |
31075290282 has 8 divisors (see below), whose sum is σ = 62150580576. Its totient is φ = 10358430092.
The previous prime is 31075290251. The next prime is 31075290293. The reversal of 31075290282 is 28209257013.
It is a sphenic number, since it is the product of 3 distinct primes.
31075290282 is an admirable number.
It is a super-2 number, since 2×310752902822 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31075290282.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589607518 + ... + 2589607529.
It is an arithmetic number, because the mean of its divisors is an integer number (7768822572).
Almost surely, 231075290282 is an apocalyptic number.
31075290282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31075290282 is a wasteful number, since it uses less digits than its factorization.
31075290282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5179215052.
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 31075290282 in words is "thirty-one billion, seventy-five million, two hundred ninety thousand, two hundred eighty-two".
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