Base | Representation |
---|---|
bin | 1010101100010011… |
… | …0001101111010010 |
3 | 21102000201001012001 |
4 | 2223010301233102 |
5 | 21334224444432 |
6 | 1152445224214 |
7 | 131060632312 |
oct | 25304615722 |
9 | 7360631161 |
10 | 2870156242 |
11 | 1243145958 |
12 | 68126206a |
13 | 369821c05 |
14 | 1d3287442 |
15 | 11be969e7 |
hex | ab131bd2 |
2870156242 has 8 divisors (see below), whose sum is σ = 4323099132. Its totient is φ = 1429123200.
The previous prime is 2870156239. The next prime is 2870156243. The reversal of 2870156242 is 2426510782.
It is a happy number.
2870156242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2808046081 + 62110161 = 52991^2 + 7881^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2870156243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976859 + ... + 2977822.
Almost surely, 22870156242 is an apocalyptic number.
2870156242 is a deficient number, since it is larger than the sum of its proper divisors (1452942890).
2870156242 is a wasteful number, since it uses less digits than its factorization.
2870156242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5954924.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 2870156242 is about 53573.8391568123. The cubic root of 2870156242 is about 1421.1344901195.
The spelling of 2870156242 in words is "two billion, eight hundred seventy million, one hundred fifty-six thousand, two hundred forty-two".
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