Base | Representation |
---|---|
bin | 100100110110101110… |
… | …0010101011100011100 |
3 | 21120021210022210211021 |
4 | 1021231130111130130 |
5 | 2244042230240430 |
6 | 100205311533524 |
7 | 5501205060316 |
oct | 1115534253434 |
9 | 246253283737 |
10 | 79145555740 |
11 | 3062466a4a9 |
12 | 1340982a2a4 |
13 | 76040cb9b4 |
14 | 3b8b4ba7b6 |
15 | 20d349007a |
hex | 126d71571c |
79145555740 has 24 divisors (see below), whose sum is σ = 167264308512. Its totient is φ = 31456576320.
The previous prime is 79145555729. The next prime is 79145555789. The reversal of 79145555740 is 4755554197.
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 7 ways as a sum of consecutive naturals, for example, 12599656 + ... + 12605935.
It is an arithmetic number, because the mean of its divisors is an integer number (6969346188).
Almost surely, 279145555740 is an apocalyptic number.
It is an amenable number.
79145555740 is an abundant number, since it is smaller than the sum of its proper divisors (88118752772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79145555740 is a wasteful number, since it uses less digits than its factorization.
79145555740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25205757 (or 25205755 counting only the distinct ones).
The product of its (nonzero) digits is 4410000, while the sum is 52.
The spelling of 79145555740 in words is "seventy-nine billion, one hundred forty-five million, five hundred fifty-five thousand, seven hundred forty".
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