Base | Representation |
---|---|
bin | 100100110001001110… |
… | …001110110101100000 |
3 | 10202220110120012221200 |
4 | 210301032032311200 |
5 | 1121324003120112 |
6 | 30045340321200 |
7 | 2565235611642 |
oct | 446116166540 |
9 | 122813505850 |
10 | 39480520032 |
11 | 1581a7a7058 |
12 | 7799b43200 |
13 | 3952569975 |
14 | 1ca75c4892 |
15 | 10610c1cdc |
hex | 93138ed60 |
39480520032 has 72 divisors (see below), whose sum is σ = 112335546960. Its totient is φ = 13152810240.
The previous prime is 39480520019. The next prime is 39480520039. The reversal of 39480520032 is 23002508493.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×394805200322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39480520039) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489894 + ... + 564762.
It is an arithmetic number, because the mean of its divisors is an integer number (1560215930).
Almost surely, 239480520032 is an apocalyptic number.
39480520032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
39480520032 is an abundant number, since it is smaller than the sum of its proper divisors (72855026928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39480520032 is a wasteful number, since it uses less digits than its factorization.
39480520032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76716 (or 76705 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The spelling of 39480520032 in words is "thirty-nine billion, four hundred eighty million, five hundred twenty thousand, thirty-two".
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