Base | Representation |
---|---|
bin | 1001011011011100… |
… | …1101001000111110 |
3 | 20112101121212120000 |
4 | 2112313031020332 |
5 | 20140422213032 |
6 | 1055053135130 |
7 | 116502414411 |
oct | 22667151076 |
9 | 6471555500 |
10 | 2531054142 |
11 | 1089794491 |
12 | 5a778a4a6 |
13 | 3144b3196 |
14 | 1a0215b78 |
15 | ec311e7c |
hex | 96dcd23e |
2531054142 has 40 divisors (see below), whose sum is σ = 5727625992. Its totient is φ = 835326000.
The previous prime is 2531054111. The next prime is 2531054147. The reversal of 2531054142 is 2414501352.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2531054147) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60984 + ... + 93707.
Almost surely, 22531054142 is an apocalyptic number.
2531054142 is an abundant number, since it is smaller than the sum of its proper divisors (3196571850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2531054142 is a wasteful number, since it uses less digits than its factorization.
2531054142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154806 (or 154797 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2531054142 is about 50309.5830036386. The cubic root of 2531054142 is about 1362.8052933367.
Adding to 2531054142 its reverse (2414501352), we get a palindrome (4945555494).
The spelling of 2531054142 in words is "two billion, five hundred thirty-one million, fifty-four thousand, one hundred forty-two".
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