Base | Representation |
---|---|
bin | 1001001011110010001… |
… | …01000111111110101100 |
3 | 1010011112012100002211000 |
4 | 10211321011013332230 |
5 | 20132233340433043 |
6 | 400545035400300 |
7 | 31540653510216 |
oct | 4457105077654 |
9 | 1104465302730 |
10 | 315563999148 |
11 | 111914718212 |
12 | 511a98b3090 |
13 | 239b047a068 |
14 | 113b821b5b6 |
15 | 831dc7e2d3 |
hex | 4979147fac |
315563999148 has 192 divisors, whose sum is σ = 886211020800. Its totient is φ = 96807110400.
The previous prime is 315563999143. The next prime is 315563999167. The reversal of 315563999148 is 841999365513.
315563999148 is a `hidden beast` number, since 3 + 1 + 556 + 39 + 9 + 9 + 1 + 48 = 666.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (315563999143) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21099073 + ... + 21114023.
It is an arithmetic number, because the mean of its divisors is an integer number (4615682400).
Almost surely, 2315563999148 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315563999148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443105510400).
315563999148 is an abundant number, since it is smaller than the sum of its proper divisors (570647021652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315563999148 is a wasteful number, since it uses less digits than its factorization.
315563999148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15309 (or 15301 counting only the distinct ones).
The product of its digits is 31492800, while the sum is 63.
The spelling of 315563999148 in words is "three hundred fifteen billion, five hundred sixty-three million, nine hundred ninety-nine thousand, one hundred forty-eight".
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