Base | Representation |
---|---|
bin | 10000010000101101… |
… | …10011010001100000 |
3 | 211112102021112021210 |
4 | 20020112303101200 |
5 | 120334403121004 |
6 | 4002140550120 |
7 | 426224606415 |
oct | 101026632140 |
9 | 24472245253 |
10 | 8730129504 |
11 | 377aa26568 |
12 | 1837852340 |
13 | a918a1405 |
14 | 5cb64610c |
15 | 361670089 |
hex | 2085b3460 |
8730129504 has 48 divisors (see below), whose sum is σ = 23912969472. Its totient is φ = 2783518848.
The previous prime is 8730129487. The next prime is 8730129509. The reversal of 8730129504 is 4059210378.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×87301295042 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8730129509) 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, 1974724 + ... + 1979139.
It is an arithmetic number, because the mean of its divisors is an integer number (498186864).
Almost surely, 28730129504 is an apocalyptic number.
It is an amenable number.
8730129504 is an abundant number, since it is smaller than the sum of its proper divisors (15182839968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8730129504 is a wasteful number, since it uses less digits than its factorization.
8730129504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3953899 (or 3953891 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 8730129504 is about 93435.1620322885. The cubic root of 8730129504 is about 2059.0816203563.
The spelling of 8730129504 in words is "eight billion, seven hundred thirty million, one hundred twenty-nine thousand, five hundred four".
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