Base | Representation |
---|---|
bin | 100101001110011011… |
… | …010100100101111100 |
3 | 10211011121112022102020 |
4 | 211032123110211330 |
5 | 1123324421200443 |
6 | 30210122200140 |
7 | 2613335364666 |
oct | 451633244574 |
9 | 124147468366 |
10 | 39970490748 |
11 | 15a51333331 |
12 | 78b6053050 |
13 | 39ccc1ca76 |
14 | 1d126c9536 |
15 | 108e108583 |
hex | 94e6d497c |
39970490748 has 12 divisors (see below), whose sum is σ = 93264478440. Its totient is φ = 13323496912.
The previous prime is 39970490699. The next prime is 39970490783. The reversal of 39970490748 is 84709407993.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 39970490691 and 39970490700.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665437103 + ... + 1665437126.
It is an arithmetic number, because the mean of its divisors is an integer number (7772039870).
Almost surely, 239970490748 is an apocalyptic number.
It is an amenable number.
39970490748 is an abundant number, since it is smaller than the sum of its proper divisors (53293987692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39970490748 is a wasteful number, since it uses less digits than its factorization.
39970490748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3330874236 (or 3330874234 counting only the distinct ones).
The product of its (nonzero) digits is 13716864, while the sum is 60.
The spelling of 39970490748 in words is "thirty-nine billion, nine hundred seventy million, four hundred ninety thousand, seven hundred forty-eight".
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