Base | Representation |
---|---|
bin | 100100100011101100001… |
… | …000000010010011101010 |
3 | 22220011111002201100202120 |
4 | 210203230020002103222 |
5 | 312130012420233232 |
6 | 5202033221212110 |
7 | 346334133216414 |
oct | 44435410022352 |
9 | 8804432640676 |
10 | 2512222430442 |
11 | 88947808316a |
12 | 346a76261036 |
13 | 152b949556ba |
14 | 898410719b4 |
15 | 45536b6b92c |
hex | 248ec2024ea |
2512222430442 has 64 divisors (see below), whose sum is σ = 5352977871360. Its totient is φ = 785997285888.
The previous prime is 2512222430437. The next prime is 2512222430503. The reversal of 2512222430442 is 2440342222152.
It is a super-2 number, since 2×25122224304422 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10702318 + ... + 10934534.
It is an arithmetic number, because the mean of its divisors is an integer number (83640279240).
Almost surely, 22512222430442 is an apocalyptic number.
2512222430442 is an abundant number, since it is smaller than the sum of its proper divisors (2840755440918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2512222430442 is a wasteful number, since it uses less digits than its factorization.
2512222430442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232640 (or 232606 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 33.
Adding to 2512222430442 its reverse (2440342222152), we get a palindrome (4952564652594).
The spelling of 2512222430442 in words is "two trillion, five hundred twelve billion, two hundred twenty-two million, four hundred thirty thousand, four hundred forty-two".
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