Base | Representation |
---|---|
bin | 100111101001000… |
… | …0101110110110010 |
3 | 10102200220020200022 |
4 | 1033102011312302 |
5 | 10211004031032 |
6 | 335553323442 |
7 | 44651011613 |
oct | 11722056662 |
9 | 3380806608 |
10 | 1330142642 |
11 | 622915944 |
12 | 311566582 |
13 | 18275cb6a |
14 | c8929c0a |
15 | 7bb96512 |
hex | 4f485db2 |
1330142642 has 16 divisors (see below), whose sum is σ = 2009206080. Its totient is φ = 660415728.
The previous prime is 1330142617. The next prime is 1330142651. The reversal of 1330142642 is 2462410331.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555584 + ... + 557972.
It is an arithmetic number, because the mean of its divisors is an integer number (125575380).
Almost surely, 21330142642 is an apocalyptic number.
1330142642 is a deficient number, since it is larger than the sum of its proper divisors (679063438).
1330142642 is a wasteful number, since it uses less digits than its factorization.
1330142642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4225.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 1330142642 is about 36471.1206573091. The cubic root of 1330142642 is about 1099.7637624921.
Adding to 1330142642 its reverse (2462410331), we get a palindrome (3792552973).
The spelling of 1330142642 in words is "one billion, three hundred thirty million, one hundred forty-two thousand, six hundred forty-two".
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