Base | Representation |
---|---|
bin | 1001001010111111111… |
… | …01011100101111100001 |
3 | 1010010102211022121101021 |
4 | 10211133331130233201 |
5 | 20130402443303031 |
6 | 400435142405441 |
7 | 31524345350653 |
oct | 4453775345741 |
9 | 1103384277337 |
10 | 315142556641 |
11 | 111718837220 |
12 | 510b0730881 |
13 | 2394406b8b3 |
14 | 113782746d3 |
15 | 82e6c82511 |
hex | 495ff5cbe1 |
315142556641 has 8 divisors (see below), whose sum is σ = 343893905568. Its totient is φ = 286408212000.
The previous prime is 315142556611. The next prime is 315142556657. The reversal of 315142556641 is 146655241513.
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 315142556641 - 231 = 312995072993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315142556611) 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, 4212300 + ... + 4286461.
It is an arithmetic number, because the mean of its divisors is an integer number (42986738196).
Almost surely, 2315142556641 is an apocalyptic number.
It is an amenable number.
315142556641 is a deficient number, since it is larger than the sum of its proper divisors (28751348927).
315142556641 is a wasteful number, since it uses less digits than its factorization.
315142556641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8502143.
The product of its digits is 432000, while the sum is 43.
The spelling of 315142556641 in words is "three hundred fifteen billion, one hundred forty-two million, five hundred fifty-six thousand, six hundred forty-one".
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