Base | Representation |
---|---|
bin | 111110100110101… |
… | …1101001001001101 |
3 | 12102101210120012000 |
4 | 1331031131021031 |
5 | 13300233213440 |
6 | 544240502513 |
7 | 103025323200 |
oct | 17515351115 |
9 | 5371716160 |
10 | 2100679245 |
11 | 988862455 |
12 | 4a761aa39 |
13 | 276298092 |
14 | 15cdc5937 |
15 | c464d730 |
hex | 7d35d24d |
2100679245 has 48 divisors (see below), whose sum is σ = 4344275520. Its totient is φ = 960307488.
The previous prime is 2100679237. The next prime is 2100679261. The reversal of 2100679245 is 5429760012.
It is not a de Polignac number, because 2100679245 - 23 = 2100679237 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152167 + ... + 165396.
It is an arithmetic number, because the mean of its divisors is an integer number (90505740).
Almost surely, 22100679245 is an apocalyptic number.
It is an amenable number.
2100679245 is an abundant number, since it is smaller than the sum of its proper divisors (2243596275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100679245 is a wasteful number, since it uses less digits than its factorization.
2100679245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317591 (or 317578 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 2100679245 is about 45833.1675209122. The cubic root of 2100679245 is about 1280.7172178811.
The spelling of 2100679245 in words is "two billion, one hundred million, six hundred seventy-nine thousand, two hundred forty-five".
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