Base | Representation |
---|---|
bin | 111111110110100… |
… | …0111101100011110 |
3 | 12112022120000201001 |
4 | 1333231013230132 |
5 | 13341442100210 |
6 | 552333540514 |
7 | 104044146031 |
oct | 17755075436 |
9 | 5468500631 |
10 | 2142534430 |
11 | 9aa44a913 |
12 | 4b964473a |
13 | 281b6116a |
14 | 16479d018 |
15 | c816a03a |
hex | 7fb47b1e |
2142534430 has 32 divisors (see below), whose sum is σ = 4065384960. Its totient is φ = 810738720.
The previous prime is 2142534421. The next prime is 2142534461. The reversal of 2142534430 is 344352412.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130375 + ... + 145885.
It is an arithmetic number, because the mean of its divisors is an integer number (127043280).
Almost surely, 22142534430 is an apocalyptic number.
2142534430 is a deficient number, since it is larger than the sum of its proper divisors (1922850530).
2142534430 is a wasteful number, since it uses less digits than its factorization.
2142534430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16264.
The product of its (nonzero) digits is 11520, while the sum is 28.
The square root of 2142534430 is about 46287.5191601365. The cubic root of 2142534430 is about 1289.1672669808.
Adding to 2142534430 its reverse (344352412), we get a palindrome (2486886842).
It can be divided in two parts, 21425 and 34430, that added together give a palindrome (55855).
The spelling of 2142534430 in words is "two billion, one hundred forty-two million, five hundred thirty-four thousand, four hundred thirty".
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