Base | Representation |
---|---|
bin | 10001000000101… |
… | …10100011001101 |
3 | 100221111211211002 |
4 | 20200112203031 |
5 | 243012324301 |
6 | 22054310045 |
7 | 3351630125 |
oct | 1040264315 |
9 | 327454732 |
10 | 142698701 |
11 | 73605712 |
12 | 3b958325 |
13 | 23743802 |
14 | 14d47c85 |
15 | c7db16b |
hex | 88168cd |
142698701 has 4 divisors (see below), whose sum is σ = 142875900. Its totient is φ = 142521504.
The previous prime is 142698691. The next prime is 142698719. The reversal of 142698701 is 107896241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 130553476 + 12145225 = 11426^2 + 3485^2 .
It is a cyclic number.
It is not a de Polignac number, because 142698701 - 26 = 142698637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142698761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87386 + ... + 89003.
It is an arithmetic number, because the mean of its divisors is an integer number (35718975).
Almost surely, 2142698701 is an apocalyptic number.
It is an amenable number.
142698701 is a deficient number, since it is larger than the sum of its proper divisors (177199).
142698701 is an equidigital number, since it uses as much as digits as its factorization.
142698701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177198.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 142698701 is about 11945.6561561096. The cubic root of 142698701 is about 522.5646246845.
The spelling of 142698701 in words is "one hundred forty-two million, six hundred ninety-eight thousand, seven hundred one".
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