Base | Representation |
---|---|
bin | 1010100011000000… |
… | …0000000000000001 |
3 | 21022022022120211001 |
4 | 2220300000000001 |
5 | 21244233431301 |
6 | 1144533252001 |
7 | 130105264540 |
oct | 25060000001 |
9 | 7268276731 |
10 | 2831155201 |
11 | 1223127896 |
12 | 670194001 |
13 | 361717c84 |
14 | 1cc014157 |
15 | 118840c01 |
hex | a8c00001 |
2831155201 has 4 divisors (see below), whose sum is σ = 3235605952. Its totient is φ = 2426704452.
The previous prime is 2831155193. The next prime is 2831155267. The reversal of 2831155201 is 1025511382.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2831155201 - 23 = 2831155193 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2831155201.
It is not an unprimeable number, because it can be changed into a prime (2831155291) 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, 202225365 + ... + 202225378.
It is an arithmetic number, because the mean of its divisors is an integer number (808901488).
It is a Proth number, since it is equal to 675 ⋅ 222 + 1 and 675 < 222.
Almost surely, 22831155201 is an apocalyptic number.
It is an amenable number.
2831155201 is a deficient number, since it is larger than the sum of its proper divisors (404450751).
2831155201 is an equidigital number, since it uses as much as digits as its factorization.
2831155201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404450750.
The product of its (nonzero) digits is 2400, while the sum is 28.
The square root of 2831155201 is about 53208.6008179129. The cubic root of 2831155201 is about 1414.6680956445.
Adding to 2831155201 its reverse (1025511382), we get a palindrome (3856666583).
The spelling of 2831155201 in words is "two billion, eight hundred thirty-one million, one hundred fifty-five thousand, two hundred one".
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