Base | Representation |
---|---|
bin | 1111010010101101… |
… | …10111111111110101 |
3 | 210012011200000101221 |
4 | 13221112313333311 |
5 | 113303233231112 |
6 | 3434401550341 |
7 | 410311213603 |
oct | 75126677765 |
9 | 23164600357 |
10 | 8210055157 |
11 | 35333a8a57 |
12 | 17116453b1 |
13 | a0ac0b105 |
14 | 57c546873 |
15 | 330b8de07 |
hex | 1e95b7ff5 |
8210055157 has 8 divisors (see below), whose sum is σ = 8812083096. Its totient is φ = 7621258752.
The previous prime is 8210055107. The next prime is 8210055181. The reversal of 8210055157 is 7515500128.
It can be written as a sum of positive squares in 4 ways, for example, as 3569584516 + 4640470641 = 59746^2 + 68121^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8210055157 - 223 = 8201666549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8210055107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306598 + ... + 3309079.
It is an arithmetic number, because the mean of its divisors is an integer number (1101510387).
Almost surely, 28210055157 is an apocalyptic number.
It is an amenable number.
8210055157 is a deficient number, since it is larger than the sum of its proper divisors (602027939).
8210055157 is a wasteful number, since it uses less digits than its factorization.
8210055157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6615767.
The product of its (nonzero) digits is 14000, while the sum is 34.
The square root of 8210055157 is about 90609.3546881336. The cubic root of 8210055157 is about 2017.3535874201.
The spelling of 8210055157 in words is "eight billion, two hundred ten million, fifty-five thousand, one hundred fifty-seven".
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