Base | Representation |
---|---|
bin | 111111110110100… |
… | …0001110001000111 |
3 | 12112022111210101211 |
4 | 1333231001301013 |
5 | 13341440311101 |
6 | 552333232251 |
7 | 104044015165 |
oct | 17755016107 |
9 | 5468453354 |
10 | 2142510151 |
11 | 9aa433651 |
12 | 4b9632687 |
13 | 281b530b2 |
14 | 164794235 |
15 | c8162c51 |
hex | 7fb41c47 |
2142510151 has 4 divisors (see below), whose sum is σ = 2142615600. Its totient is φ = 2142404704.
The previous prime is 2142510143. The next prime is 2142510157. The reversal of 2142510151 is 1510152412.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2142510151 - 23 = 2142510143 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 (2142510157) 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, 11506 + ... + 66463.
It is an arithmetic number, because the mean of its divisors is an integer number (535653900).
Almost surely, 22142510151 is an apocalyptic number.
2142510151 is a deficient number, since it is larger than the sum of its proper divisors (105449).
2142510151 is an equidigital number, since it uses as much as digits as its factorization.
2142510151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105448.
The product of its (nonzero) digits is 400, while the sum is 22.
The square root of 2142510151 is about 46287.2568964721. The cubic root of 2142510151 is about 1289.1623973880.
Adding to 2142510151 its reverse (1510152412), we get a palindrome (3652662563).
The spelling of 2142510151 in words is "two billion, one hundred forty-two million, five hundred ten thousand, one hundred fifty-one".
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