Base | Representation |
---|---|
bin | 11100110111111111… |
… | …110001001011000010 |
3 | 2222000201221022001001 |
4 | 130313333301023002 |
5 | 1001444041000214 |
6 | 22124304202214 |
7 | 2145212434015 |
oct | 346777611302 |
9 | 88021838031 |
10 | 31004234434 |
11 | 1217009a248 |
12 | 601330936a |
13 | 2c01455764 |
14 | 170197937c |
15 | c16d94c74 |
hex | 737ff12c2 |
31004234434 has 16 divisors (see below), whose sum is σ = 47826965376. Its totient is φ = 15063030000.
The previous prime is 31004234431. The next prime is 31004234467. The reversal of 31004234434 is 43443240013.
It is a super-2 number, since 2×310042344342 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31004234431) 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, 223372 + ... + 334519.
It is an arithmetic number, because the mean of its divisors is an integer number (2989185336).
Almost surely, 231004234434 is an apocalyptic number.
31004234434 is a deficient number, since it is larger than the sum of its proper divisors (16822730942).
31004234434 is a wasteful number, since it uses less digits than its factorization.
31004234434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558681.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 31004234434 its reverse (43443240013), we get a palindrome (74447474447).
The spelling of 31004234434 in words is "thirty-one billion, four million, two hundred thirty-four thousand, four hundred thirty-four".
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