Base | Representation |
---|---|
bin | 1000010010010000110… |
… | …1101111001101000001 |
3 | 111121102000122111022122 |
4 | 2010210031233031001 |
5 | 4313003411024021 |
6 | 145220224214025 |
7 | 13166232542024 |
oct | 2044415571501 |
9 | 447360574278 |
10 | 142341501761 |
11 | 55404081068 |
12 | 23705a6a315 |
13 | 10565a083b4 |
14 | 6c645c11bb |
15 | 3a8158ebab |
hex | 212436f341 |
142341501761 has 4 divisors (see below), whose sum is σ = 143214762672. Its totient is φ = 141468240852.
The previous prime is 142341501751. The next prime is 142341501847. The reversal of 142341501761 is 167105143241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142341501761 is a prime.
It is a super-2 number, since 2×1423415017612 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142341501751) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436630211 + ... + 436630536.
It is an arithmetic number, because the mean of its divisors is an integer number (35803690668).
Almost surely, 2142341501761 is an apocalyptic number.
It is an amenable number.
142341501761 is a deficient number, since it is larger than the sum of its proper divisors (873260911).
142341501761 is an equidigital number, since it uses as much as digits as its factorization.
142341501761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873260910.
The product of its (nonzero) digits is 20160, while the sum is 35.
The spelling of 142341501761 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, seven hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •