Base | Representation |
---|---|
bin | 1001011010000001… |
… | …1000101100010001 |
3 | 20111222100221210120 |
4 | 2112200120230101 |
5 | 20132404302040 |
6 | 1054321020453 |
7 | 116400521241 |
oct | 22640305421 |
9 | 6458327716 |
10 | 2525072145 |
11 | 1086379092 |
12 | 5a5784729 |
13 | 31319a43b |
14 | 19d4d9b21 |
15 | eba2e7d0 |
hex | 96818b11 |
2525072145 has 16 divisors (see below), whose sum is σ = 4043304960. Its totient is φ = 1345641984.
The previous prime is 2525072131. The next prime is 2525072149. The reversal of 2525072145 is 5412705252.
It is not a de Polignac number, because 2525072145 - 225 = 2491517713 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (2525072149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46624 + ... + 84993.
It is an arithmetic number, because the mean of its divisors is an integer number (252706560).
Almost surely, 22525072145 is an apocalyptic number.
It is an amenable number.
2525072145 is a deficient number, since it is larger than the sum of its proper divisors (1518232815).
2525072145 is a wasteful number, since it uses less digits than its factorization.
2525072145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132904.
The product of its (nonzero) digits is 28000, while the sum is 33.
The square root of 2525072145 is about 50250.0959700576. The cubic root of 2525072145 is about 1361.7308097875.
Adding to 2525072145 its reverse (5412705252), we get a palindrome (7937777397).
The spelling of 2525072145 in words is "two billion, five hundred twenty-five million, seventy-two thousand, one hundred forty-five".
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