Base | Representation |
---|---|
bin | 1000010010001010010… |
… | …1101001100001101011 |
3 | 111121100010022012122112 |
4 | 2010202211221201223 |
5 | 4312424414344111 |
6 | 145213411312535 |
7 | 13165451605235 |
oct | 2044245514153 |
9 | 447303265575 |
10 | 142314215531 |
11 | 5539a734564 |
12 | 236b88ab74b |
13 | 105601736b7 |
14 | 6c60b1b255 |
15 | 3a7de9ee8b |
hex | 212296986b |
142314215531 has 8 divisors (see below), whose sum is σ = 151160994720. Its totient is φ = 133520253568.
The previous prime is 142314215509. The next prime is 142314215543. The reversal of 142314215531 is 135512413241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142314215531 - 210 = 142314214507 is a prime.
It is a super-2 number, since 2×1423142155312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142314215831) 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, 13198751 + ... + 13209528.
It is an arithmetic number, because the mean of its divisors is an integer number (18895124340).
Almost surely, 2142314215531 is an apocalyptic number.
142314215531 is a deficient number, since it is larger than the sum of its proper divisors (8846779189).
142314215531 is a wasteful number, since it uses less digits than its factorization.
142314215531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26408613.
The product of its digits is 14400, while the sum is 32.
Adding to 142314215531 its reverse (135512413241), we get a palindrome (277826628772).
The spelling of 142314215531 in words is "one hundred forty-two billion, three hundred fourteen million, two hundred fifteen thousand, five hundred thirty-one".
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