Base | Representation |
---|---|
bin | 10010110001000011… |
… | …000100010001000101 |
3 | 1221000022020021020020 |
4 | 102301003010101011 |
5 | 312231430142300 |
6 | 13131253325353 |
7 | 1312225134225 |
oct | 226103042105 |
9 | 57008207206 |
10 | 20150240325 |
11 | 8600315886 |
12 | 3aa4336859 |
13 | 1b9185c037 |
14 | d92234085 |
15 | 7ce0468a0 |
hex | 4b10c4445 |
20150240325 has 48 divisors (see below), whose sum is σ = 33556691520. Its totient is φ = 10669063680.
The previous prime is 20150240309. The next prime is 20150240339. The reversal of 20150240325 is 52304205102.
It is not a de Polignac number, because 20150240325 - 24 = 20150240309 is a prime.
It is a super-2 number, since 2×201502403252 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20150240295 and 20150240304.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13867299 + ... + 13868751.
It is an arithmetic number, because the mean of its divisors is an integer number (699097740).
Almost surely, 220150240325 is an apocalyptic number.
20150240325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20150240325 is a deficient number, since it is larger than the sum of its proper divisors (13406451195).
20150240325 is a wasteful number, since it uses less digits than its factorization.
20150240325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2678 (or 2673 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 20150240325 its reverse (52304205102), we get a palindrome (72454445427).
The spelling of 20150240325 in words is "twenty billion, one hundred fifty million, two hundred forty thousand, three hundred twenty-five".
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