Base | Representation |
---|---|
bin | 1001011011011101… |
… | …0010001010110100 |
3 | 20112101122220210220 |
4 | 2112313102022310 |
5 | 20140423342430 |
6 | 1055053414340 |
7 | 116502531435 |
oct | 22667221264 |
9 | 6471586726 |
10 | 2531074740 |
11 | 10897a8a07 |
12 | 5a779a3b0 |
13 | 3144bc67c |
14 | 1a021d48c |
15 | ec318110 |
hex | 96dd22b4 |
2531074740 has 96 divisors (see below), whose sum is σ = 7565322240. Its totient is φ = 630403200.
The previous prime is 2531074717. The next prime is 2531074747. The reversal of 2531074740 is 474701352.
2531074740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2531074747) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65305 + ... + 96575.
It is an arithmetic number, because the mean of its divisors is an integer number (78805440).
Almost surely, 22531074740 is an apocalyptic number.
2531074740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2531074740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782661120).
2531074740 is an abundant number, since it is smaller than the sum of its proper divisors (5034247500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2531074740 is a wasteful number, since it uses less digits than its factorization.
2531074740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31373 (or 31371 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 33.
The square root of 2531074740 is about 50309.7877157119. The cubic root of 2531074740 is about 1362.8089902137.
The spelling of 2531074740 in words is "two billion, five hundred thirty-one million, seventy-four thousand, seven hundred forty".
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