Base | Representation |
---|---|
bin | 10110010000000101111110… |
… | …00111101010110110101111 |
3 | 20102020210200112210000101200 |
4 | 23020002333013222312233 |
5 | 22403143124304113311 |
6 | 252022450410340543 |
7 | 13210116352402653 |
oct | 1310027707526657 |
9 | 212223615700350 |
10 | 48931473894831 |
11 | 146557a3411130 |
12 | 55a32b772a753 |
13 | 213c2ab491b18 |
14 | c12420214a63 |
15 | 59cc473c7556 |
hex | 2c80bf1eadaf |
48931473894831 has 48 divisors (see below), whose sum is σ = 78267380405760. Its totient is φ = 29208179468160.
The previous prime is 48931473894817. The next prime is 48931473894887. The reversal of 48931473894831 is 13849837413984.
48931473894831 is a `hidden beast` number, since 4 + 8 + 9 + 3 + 1 + 473 + 89 + 48 + 31 = 666.
It is not a de Polignac number, because 48931473894831 - 213 = 48931473886639 is a prime.
It is a super-2 number, since 2×489314738948312 (a number of 28 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 48931473894831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48931473893831) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41397466 + ... + 42563048.
It is an arithmetic number, because the mean of its divisors is an integer number (1630570425120).
Almost surely, 248931473894831 is an apocalyptic number.
48931473894831 is a deficient number, since it is larger than the sum of its proper divisors (29335906510929).
48931473894831 is a wasteful number, since it uses less digits than its factorization.
48931473894831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1171996 (or 1171993 counting only the distinct ones).
The product of its digits is 501645312, while the sum is 72.
The spelling of 48931473894831 in words is "forty-eight trillion, nine hundred thirty-one billion, four hundred seventy-three million, eight hundred ninety-four thousand, eight hundred thirty-one".
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