Base | Representation |
---|---|
bin | 1000010010010100001… |
… | …0100001101111000111 |
3 | 111121102222200120010120 |
4 | 2010211002201233013 |
5 | 4313020431341411 |
6 | 145221440553023 |
7 | 13166461266306 |
oct | 2044502415707 |
9 | 447388616116 |
10 | 142355340231 |
11 | 55410973115 |
12 | 2370a622773 |
13 | 10568842140 |
14 | 6c6638443d |
15 | 3a828c5106 |
hex | 21250a1bc7 |
142355340231 has 16 divisors (see below), whose sum is σ = 216431649504. Its totient is φ = 82450151424.
The previous prime is 142355340221. The next prime is 142355340233. The reversal of 142355340231 is 132043553241.
It is not a de Polignac number, because 142355340231 - 27 = 142355340103 is a prime.
It is a super-2 number, since 2×1423553402312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142355340192 and 142355340201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142355340233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107356306 + ... + 107357631.
It is an arithmetic number, because the mean of its divisors is an integer number (13526978094).
Almost surely, 2142355340231 is an apocalyptic number.
142355340231 is a deficient number, since it is larger than the sum of its proper divisors (74076309273).
142355340231 is a wasteful number, since it uses less digits than its factorization.
142355340231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214713970.
The product of its (nonzero) digits is 43200, while the sum is 33.
Adding to 142355340231 its reverse (132043553241), we get a palindrome (274398893472).
The spelling of 142355340231 in words is "one hundred forty-two billion, three hundred fifty-five million, three hundred forty thousand, two hundred thirty-one".
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