Base | Representation |
---|---|
bin | 10010111110001101… |
… | …01000010011001111 |
3 | 222021211211102022210 |
4 | 21133012220103033 |
5 | 131324442224142 |
6 | 4402410441503 |
7 | 510256250511 |
oct | 113706502317 |
9 | 28254742283 |
10 | 10185508047 |
11 | 43574a9a50 |
12 | 1b83133293 |
13 | c6426c450 |
14 | 6c8a51bb1 |
15 | 3e930349c |
hex | 25f1a84cf |
10185508047 has 32 divisors (see below), whose sum is σ = 15961478400. Its totient is φ = 5695845120.
The previous prime is 10185508031. The next prime is 10185508097. The reversal of 10185508047 is 74080558101.
It is not a de Polignac number, because 10185508047 - 24 = 10185508031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 10185507996 and 10185508014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10185508097) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991868 + ... + 1996974.
It is an arithmetic number, because the mean of its divisors is an integer number (498796200).
Almost surely, 210185508047 is an apocalyptic number.
10185508047 is a deficient number, since it is larger than the sum of its proper divisors (5775970353).
10185508047 is a wasteful number, since it uses less digits than its factorization.
10185508047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9783.
The product of its (nonzero) digits is 44800, while the sum is 39.
The spelling of 10185508047 in words is "ten billion, one hundred eighty-five million, five hundred eight thousand, forty-seven".
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