Base | Representation |
---|---|
bin | 1110101110010100… |
… | …10011101110011100 |
3 | 202101220012222020021 |
4 | 13113022103232130 |
5 | 112142110132342 |
6 | 3344214401524 |
7 | 366613305340 |
oct | 72712235634 |
9 | 22356188207 |
10 | 7904770972 |
11 | 339704547a |
12 | 16473602a4 |
13 | 98c8b0097 |
14 | 54db99620 |
15 | 313e89567 |
hex | 1d7293b9c |
7904770972 has 96 divisors (see below), whose sum is σ = 16789893120. Its totient is φ = 3184704000.
The previous prime is 7904770967. The next prime is 7904770987. The reversal of 7904770972 is 2790774097.
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 31 ways as a sum of consecutive naturals, for example, 13843447 + ... + 13844017.
It is an arithmetic number, because the mean of its divisors is an integer number (174894720).
Almost surely, 27904770972 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7904770972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8394946560).
7904770972 is an abundant number, since it is smaller than the sum of its proper divisors (8885122148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7904770972 is a wasteful number, since it uses less digits than its factorization.
7904770972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).
The product of its (nonzero) digits is 1555848, while the sum is 52.
The square root of 7904770972 is about 88908.7789366157. The cubic root of 7904770972 is about 1992.0325496824.
The spelling of 7904770972 in words is "seven billion, nine hundred four million, seven hundred seventy thousand, nine hundred seventy-two".
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