Base | Representation |
---|---|
bin | 1001011010101111… |
… | …0110011011011011 |
3 | 20112012000122102011 |
4 | 2112223312123123 |
5 | 20134141440111 |
6 | 1054505250351 |
7 | 116435206300 |
oct | 22653663333 |
9 | 6465018364 |
10 | 2528077531 |
11 | 1088041081 |
12 | 5a67939b7 |
13 | 3139b0385 |
14 | 19da7d0a7 |
15 | ebe25021 |
hex | 96af66db |
2528077531 has 12 divisors (see below), whose sum is σ = 3113815608. Its totient is φ = 2039456832.
The previous prime is 2528077511. The next prime is 2528077537. The reversal of 2528077531 is 1357708252.
It is a happy number.
It is not a de Polignac number, because 2528077531 - 219 = 2527553243 is a prime.
It is a super-2 number, since 2×25280775312 = 12782352005494111922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2528077537) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1516621 + ... + 1518286.
It is an arithmetic number, because the mean of its divisors is an integer number (259484634).
Almost surely, 22528077531 is an apocalyptic number.
2528077531 is a deficient number, since it is larger than the sum of its proper divisors (585738077).
2528077531 is a wasteful number, since it uses less digits than its factorization.
2528077531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3034938 (or 3034931 counting only the distinct ones).
The product of its (nonzero) digits is 117600, while the sum is 40.
The square root of 2528077531 is about 50279.9913583923. The cubic root of 2528077531 is about 1362.2708477063.
The spelling of 2528077531 in words is "two billion, five hundred twenty-eight million, seventy-seven thousand, five hundred thirty-one".
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