Base | Representation |
---|---|
bin | 111111000010000… |
… | …1001100100110010 |
3 | 12110101202222220100 |
4 | 1332010021210302 |
5 | 13312421021020 |
6 | 545512053230 |
7 | 103261230231 |
oct | 17604114462 |
9 | 5411688810 |
10 | 2115017010 |
11 | 995965647 |
12 | 4b0394216 |
13 | 279248172 |
14 | 160c78b18 |
15 | c5a31a90 |
hex | 7e109932 |
2115017010 has 48 divisors (see below), whose sum is σ = 5589207000. Its totient is φ = 554757120.
The previous prime is 2115016999. The next prime is 2115017011. The reversal of 2115017010 is 107105112.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 407757249 + 1707259761 = 20193^2 + 41319^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2115017011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187135 + ... + 198114.
Almost surely, 22115017010 is an apocalyptic number.
2115017010 is an abundant number, since it is smaller than the sum of its proper divisors (3474189990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115017010 is a wasteful number, since it uses less digits than its factorization.
2115017010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385323 (or 385320 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 18.
The square root of 2115017010 is about 45989.3140849045. The cubic root of 2115017010 is about 1283.6243733388.
The spelling of 2115017010 in words is "two billion, one hundred fifteen million, seventeen thousand, ten".
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