Base | Representation |
---|---|
bin | 10001000001000… |
… | …10100000111011 |
3 | 100221121100001010 |
4 | 20200202200323 |
5 | 243020411312 |
6 | 22055325003 |
7 | 3352223034 |
oct | 1040424073 |
9 | 327540033 |
10 | 142747707 |
11 | 73639513 |
12 | 3b980763 |
13 | 2375cbcb |
14 | 14d5ba8b |
15 | c7ea93c |
hex | 882283b |
142747707 has 8 divisors (see below), whose sum is σ = 192739840. Its totient is φ = 93960360.
The previous prime is 142747673. The next prime is 142747711. The reversal of 142747707 is 707747241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142747707 - 216 = 142682171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142747307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300919 + ... + 301392.
It is an arithmetic number, because the mean of its divisors is an integer number (24092480).
Almost surely, 2142747707 is an apocalyptic number.
142747707 is a deficient number, since it is larger than the sum of its proper divisors (49992133).
142747707 is an equidigital number, since it uses as much as digits as its factorization.
142747707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 602393.
The product of its (nonzero) digits is 76832, while the sum is 39.
The square root of 142747707 is about 11947.7071858997. The cubic root of 142747707 is about 522.6244380554.
The spelling of 142747707 in words is "one hundred forty-two million, seven hundred forty-seven thousand, seven hundred seven".
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