Base | Representation |
---|---|
bin | 10101100101001001… |
… | …110100001011001110 |
3 | 2012210220000220110000 |
4 | 111211021310023032 |
5 | 334424002031202 |
6 | 14351154225130 |
7 | 1450135653654 |
oct | 254511641316 |
9 | 65726026400 |
10 | 23171908302 |
11 | 9910a35744 |
12 | 45a82851a6 |
13 | 225388bc5a |
14 | 119b67add4 |
15 | 90946a91c |
hex | 5652742ce |
23171908302 has 80 divisors (see below), whose sum is σ = 54225021312. Its totient is φ = 7381970640.
The previous prime is 23171908297. The next prime is 23171908307. The reversal of 23171908302 is 20380917132.
It is an interprime number because it is at equal distance from previous prime (23171908297) and next prime (23171908307).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23171908307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6954777 + ... + 6958107.
Almost surely, 223171908302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23171908302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27112510656).
23171908302 is an abundant number, since it is smaller than the sum of its proper divisors (31053113010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23171908302 is a wasteful number, since it uses less digits than its factorization.
23171908302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5235 (or 5226 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The spelling of 23171908302 in words is "twenty-three billion, one hundred seventy-one million, nine hundred eight thousand, three hundred two".
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