Base | Representation |
---|---|
bin | 11101111011000111… |
… | …111110100011000000 |
3 | 10001221020010110212010 |
4 | 131323013332203000 |
5 | 1011300344203330 |
6 | 22432135132520 |
7 | 2215136255013 |
oct | 357307764300 |
9 | 101836113763 |
10 | 32130459840 |
11 | 12698897046 |
12 | 6288514140 |
13 | 305088931b |
14 | 17ab38337a |
15 | c80bab3b0 |
hex | 77b1fe8c0 |
32130459840 has 112 divisors (see below), whose sum is σ = 102128970240. Its totient is φ = 8558484480.
The previous prime is 32130459763. The next prime is 32130459847. The reversal of 32130459840 is 4895403123.
It is not an unprimeable number, because it can be changed into a prime (32130459847) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856191 + ... + 892929.
Almost surely, 232130459840 is an apocalyptic number.
32130459840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 32130459840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51064485120).
32130459840 is an abundant number, since it is smaller than the sum of its proper divisors (69998510400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32130459840 is a wasteful number, since it uses less digits than its factorization.
32130459840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37670 (or 37660 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 39.
The spelling of 32130459840 in words is "thirty-two billion, one hundred thirty million, four hundred fifty-nine thousand, eight hundred forty".
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