Base | Representation |
---|---|
bin | 101010010000100000… |
… | …1100100110000000100 |
3 | 22200020102002001021122 |
4 | 1110201001210300010 |
5 | 2441323040432040 |
6 | 105404512333112 |
7 | 6361554311003 |
oct | 1244101446004 |
9 | 280212061248 |
10 | 90748374020 |
11 | 35539100617 |
12 | 15707544198 |
13 | 8732b9a945 |
14 | 456c468c3a |
15 | 2561e071b5 |
hex | 1521064c04 |
90748374020 has 24 divisors (see below), whose sum is σ = 191529240000. Its totient is φ = 36116939232.
The previous prime is 90748374019. The next prime is 90748374037. The reversal of 90748374020 is 2047384709.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11396570 + ... + 11404529.
It is an arithmetic number, because the mean of its divisors is an integer number (7980385000).
Almost surely, 290748374020 is an apocalyptic number.
It is an amenable number.
90748374020 is an abundant number, since it is smaller than the sum of its proper divisors (100780865980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90748374020 is a wasteful number, since it uses less digits than its factorization.
90748374020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22801307 (or 22801305 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 44.
The spelling of 90748374020 in words is "ninety billion, seven hundred forty-eight million, three hundred seventy-four thousand, twenty".
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