Base | Representation |
---|---|
bin | 111111110101100… |
… | …1010111100000001 |
3 | 12112021121001201221 |
4 | 1333223022330001 |
5 | 13341324222200 |
6 | 552314555041 |
7 | 104036620153 |
oct | 17753127401 |
9 | 5467531657 |
10 | 2142023425 |
11 | 9aa1309a3 |
12 | 4b9438a81 |
13 | 281a126a9 |
14 | 1646a8ad3 |
15 | c80b891a |
hex | 7facaf01 |
2142023425 has 48 divisors (see below), whose sum is σ = 2888079040. Its totient is φ = 1570440960.
The previous prime is 2142023423. The next prime is 2142023467. The reversal of 2142023425 is 5243202412.
It is not a de Polignac number, because 2142023425 - 21 = 2142023423 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 2142023425.
It is not an unprimeable number, because it can be changed into a prime (2142023423) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5395327 + ... + 5395723.
Almost surely, 22142023425 is an apocalyptic number.
2142023425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2142023425 is a deficient number, since it is larger than the sum of its proper divisors (746055615).
2142023425 is a wasteful number, since it uses less digits than its factorization.
2142023425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770 (or 765 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 2142023425 is about 46281.9989304697. The cubic root of 2142023425 is about 1289.0647679201.
Adding to 2142023425 its reverse (5243202412), we get a palindrome (7385225837).
The spelling of 2142023425 in words is "two billion, one hundred forty-two million, twenty-three thousand, four hundred twenty-five".
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