Base | Representation |
---|---|
bin | 1000010010001001111… |
… | …1001010101000101111 |
3 | 111121100000002212112020 |
4 | 2010202133022220233 |
5 | 4312424001004033 |
6 | 145213311041223 |
7 | 13165431266610 |
oct | 2044237125057 |
9 | 447300085466 |
10 | 142312516143 |
11 | 55399783806 |
12 | 236b8210213 |
13 | 1055c9ca045 |
14 | 6c607d7c07 |
15 | 3a7dc666b3 |
hex | 21227caa2f |
142312516143 has 32 divisors (see below), whose sum is σ = 230507057664. Its totient is φ = 76239962112.
The previous prime is 142312516141. The next prime is 142312516183. The reversal of 142312516143 is 341615213241.
It is not a de Polignac number, because 142312516143 - 21 = 142312516141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142312516141) 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, 683805 + ... + 867302.
It is an arithmetic number, because the mean of its divisors is an integer number (7203345552).
Almost surely, 2142312516143 is an apocalyptic number.
142312516143 is a deficient number, since it is larger than the sum of its proper divisors (88194541521).
142312516143 is a wasteful number, since it uses less digits than its factorization.
142312516143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1551391.
The product of its digits is 17280, while the sum is 33.
Adding to 142312516143 its reverse (341615213241), we get a palindrome (483927729384).
The spelling of 142312516143 in words is "one hundred forty-two billion, three hundred twelve million, five hundred sixteen thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •