Base | Representation |
---|---|
bin | 1110101101110000… |
… | …01001011000011100 |
3 | 202101120021002102102 |
4 | 13112320021120130 |
5 | 112134400310022 |
6 | 3343524344232 |
7 | 366524656106 |
oct | 72670113034 |
9 | 22346232372 |
10 | 7900010012 |
11 | 33943934a4 |
12 | 1645845078 |
13 | 98b90404b |
14 | 54d2ba576 |
15 | 313848a92 |
hex | 1d6e0961c |
7900010012 has 6 divisors (see below), whose sum is σ = 13825017528. Its totient is φ = 3950005004.
The previous prime is 7900009987. The next prime is 7900010017. The reversal of 7900010012 is 2100100097.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7900010017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987501248 + ... + 987501255.
It is an arithmetic number, because the mean of its divisors is an integer number (2304169588).
Almost surely, 27900010012 is an apocalyptic number.
It is an amenable number.
7900010012 is a deficient number, since it is larger than the sum of its proper divisors (5925007516).
7900010012 is a wasteful number, since it uses less digits than its factorization.
7900010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1975002507 (or 1975002505 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 20.
The square root of 7900010012 is about 88882.0004950384. Note that the first 3 decimals coincide. The cubic root of 7900010012 is about 1991.6325426489.
The spelling of 7900010012 in words is "seven billion, nine hundred million, ten thousand, twelve".
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