Base | Representation |
---|---|
bin | 111111110101101… |
… | …1110001111111011 |
3 | 12112021202002020111 |
4 | 1333223132033323 |
5 | 13341334240043 |
6 | 552320405151 |
7 | 104040366601 |
oct | 17753361773 |
9 | 5467662214 |
10 | 2142102523 |
11 | 9aa185370 |
12 | 4b94767b7 |
13 | 281a3c6b2 |
14 | 1646c9871 |
15 | c80d209d |
hex | 7fade3fb |
2142102523 has 32 divisors (see below), whose sum is σ = 2438553600. Its totient is φ = 1864800000.
The previous prime is 2142102517. The next prime is 2142102551. The reversal of 2142102523 is 3252012412.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2142102523 - 229 = 1605231611 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2142102494 and 2142102503.
It is not an unprimeable number, because it can be changed into a prime (2142102593) 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, 8534148 + ... + 8534398.
It is an arithmetic number, because the mean of its divisors is an integer number (76204800).
Almost surely, 22142102523 is an apocalyptic number.
2142102523 is a deficient number, since it is larger than the sum of its proper divisors (296451077).
2142102523 is a wasteful number, since it uses less digits than its factorization.
2142102523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 579.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 2142102523 is about 46282.8534448774. The cubic root of 2142102523 is about 1289.0806347229.
Adding to 2142102523 its reverse (3252012412), we get a palindrome (5394114935).
The spelling of 2142102523 in words is "two billion, one hundred forty-two million, one hundred two thousand, five hundred twenty-three".
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