Base | Representation |
---|---|
bin | 11110110000110011… |
… | …101111010010101110 |
3 | 10011020222212222000020 |
4 | 132300303233102232 |
5 | 1020121431433032 |
6 | 23101351343010 |
7 | 2246353631322 |
oct | 366063572256 |
9 | 104228788006 |
10 | 33031124142 |
11 | 13010232505 |
12 | 649a081a66 |
13 | 3165356193 |
14 | 1854c33982 |
15 | cd4cb9b2c |
hex | 7b0cef4ae |
33031124142 has 32 divisors (see below), whose sum is σ = 69559353600. Its totient is φ = 10427859648.
The previous prime is 33031124131. The next prime is 33031124143. The reversal of 33031124142 is 24142113033.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33031124143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371034 + ... + 451362.
It is an arithmetic number, because the mean of its divisors is an integer number (2173729800).
Almost surely, 233031124142 is an apocalyptic number.
33031124142 is an abundant number, since it is smaller than the sum of its proper divisors (36528229458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33031124142 is a wasteful number, since it uses less digits than its factorization.
33031124142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83960.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 33031124142 its reverse (24142113033), we get a palindrome (57173237175).
It can be divided in two parts, 330311 and 24142, that added together give a palindrome (354453).
The spelling of 33031124142 in words is "thirty-three billion, thirty-one million, one hundred twenty-four thousand, one hundred forty-two".
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