Base | Representation |
---|---|
bin | 1001011000110100… |
… | …0101011011010101 |
3 | 20111121211220021100 |
4 | 2112031011123111 |
5 | 20130110400001 |
6 | 1054020340313 |
7 | 116306516136 |
oct | 22615053325 |
9 | 6447756240 |
10 | 2520012501 |
11 | 1083532766 |
12 | 5a3b44699 |
13 | 312118476 |
14 | 19c97dc8d |
15 | eb380586 |
hex | 963456d5 |
2520012501 has 12 divisors (see below), whose sum is σ = 3660131020. Its totient is φ = 1670725440.
The previous prime is 2520012499. The next prime is 2520012511. The reversal of 2520012501 is 1052100252.
2520012501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 25010001 + 2495002500 = 5001^2 + 49950^2 .
It is not a de Polignac number, because 2520012501 - 21 = 2520012499 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2520012511) 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, 771856 + ... + 775113.
Almost surely, 22520012501 is an apocalyptic number.
It is an amenable number.
2520012501 is a deficient number, since it is larger than the sum of its proper divisors (1140118519).
2520012501 is a wasteful number, since it uses less digits than its factorization.
2520012501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1547156 (or 1547153 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 2520012501 is about 50199.7261048305. The cubic root of 2520012501 is about 1360.8206733974.
Adding to 2520012501 its reverse (1052100252), we get a palindrome (3572112753).
The spelling of 2520012501 in words is "two billion, five hundred twenty million, twelve thousand, five hundred one".
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