Base | Representation |
---|---|
bin | 1000000001001101… |
… | …1000100110100011 |
3 | 12120000102122021101 |
4 | 2000103120212203 |
5 | 13402024041110 |
6 | 553332535231 |
7 | 104225334106 |
oct | 20023304643 |
9 | 5500378241 |
10 | 2152565155 |
11 | a05081074 |
12 | 500a81517 |
13 | 283c639c0 |
14 | 165c5073d |
15 | c8e9c13a |
hex | 804d89a3 |
2152565155 has 8 divisors (see below), whose sum is σ = 2781776592. Its totient is φ = 1589586528.
The previous prime is 2152565087. The next prime is 2152565159. The reversal of 2152565155 is 5515652512.
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 2152565155 - 211 = 2152563107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2152565159) 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, 16558129 + ... + 16558258.
It is an arithmetic number, because the mean of its divisors is an integer number (347722074).
Almost surely, 22152565155 is an apocalyptic number.
2152565155 is a deficient number, since it is larger than the sum of its proper divisors (629211437).
2152565155 is a wasteful number, since it uses less digits than its factorization.
2152565155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33116405.
The product of its digits is 75000, while the sum is 37.
The square root of 2152565155 is about 46395.7450096450. The cubic root of 2152565155 is about 1291.1759712994.
The spelling of 2152565155 in words is "two billion, one hundred fifty-two million, five hundred sixty-five thousand, one hundred fifty-five".
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