Base | Representation |
---|---|
bin | 1000010001110110100… |
… | …0010100110011111001 |
3 | 111121010022202222222012 |
4 | 2010131220110303321 |
5 | 4312242120443113 |
6 | 145201240335305 |
7 | 13163421546650 |
oct | 2043550246371 |
9 | 447108688865 |
10 | 142231031033 |
11 | 55357788843 |
12 | 23694a74535 |
13 | 10548b699c0 |
14 | 6c53a66197 |
15 | 3a76a1caa8 |
hex | 211da14cf9 |
142231031033 has 32 divisors (see below), whose sum is σ = 184548005376. Its totient is φ = 106531780608.
The previous prime is 142231030993. The next prime is 142231031039. The reversal of 142231031033 is 330130132241.
It is a cyclic number.
It is not a de Polignac number, because 142231031033 - 222 = 142226836729 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (142231031039) 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, 147266 + ... + 553307.
It is an arithmetic number, because the mean of its divisors is an integer number (5767125168).
Almost surely, 2142231031033 is an apocalyptic number.
142231031033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
142231031033 is a deficient number, since it is larger than the sum of its proper divisors (42316974343).
142231031033 is a wasteful number, since it uses less digits than its factorization.
142231031033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700713.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 142231031033 its reverse (330130132241), we get a palindrome (472361163274).
The spelling of 142231031033 in words is "one hundred forty-two billion, two hundred thirty-one million, thirty-one thousand, thirty-three".
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