Base | Representation |
---|---|
bin | 1000010001011100100… |
… | …1001111111010111001 |
3 | 111120211202000212222220 |
4 | 2010113021033322321 |
5 | 4312031242034431 |
6 | 145142352234253 |
7 | 13160630643150 |
oct | 2042711177271 |
9 | 446752025886 |
10 | 142122221241 |
11 | 5530131a3a0 |
12 | 2366453b989 |
13 | 1052c460300 |
14 | 6c43420597 |
15 | 3a6c1c7b96 |
hex | 211724feb9 |
142122221241 has 48 divisors (see below), whose sum is σ = 255826621440. Its totient is φ = 68150496960.
The previous prime is 142122221231. The next prime is 142122221243.
142122221241 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 142122221241 - 26 = 142122221177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142122221243) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1781221 + ... + 1859298.
It is an arithmetic number, because the mean of its divisors is an integer number (5329721280).
Almost surely, 2142122221241 is an apocalyptic number.
142122221241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
142122221241 is a deficient number, since it is larger than the sum of its proper divisors (113704400199).
142122221241 is a wasteful number, since it uses less digits than its factorization.
142122221241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3640566 (or 3640553 counting only the distinct ones).
The product of its digits is 1024, while the sum is 24.
It can be divided in two parts, 142122 and 221241, that added together give a palindrome (363363).
The spelling of 142122221241 in words is "one hundred forty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred forty-one".
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