Base | Representation |
---|---|
bin | 111000110011111100… |
… | …1001100110111000111 |
3 | 102122220112112110212011 |
4 | 1301213321030313013 |
5 | 3444330021214143 |
6 | 132014053035051 |
7 | 11546220005113 |
oct | 1614771146707 |
9 | 378815473764 |
10 | 122002132423 |
11 | 47817028916 |
12 | 1b78a325a87 |
13 | b673c2a202 |
14 | 5c951d8743 |
15 | 3290b39e9d |
hex | 1c67e4cdc7 |
122002132423 has 4 divisors (see below), whose sum is σ = 122002912648. Its totient is φ = 122001352200.
The previous prime is 122002132387. The next prime is 122002132433. The reversal of 122002132423 is 324231200221.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 122002132423 - 217 = 122002001351 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122002132394 and 122002132403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122002132433) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65553 + ... + 498298.
It is an arithmetic number, because the mean of its divisors is an integer number (30500728162).
Almost surely, 2122002132423 is an apocalyptic number.
122002132423 is a deficient number, since it is larger than the sum of its proper divisors (780225).
122002132423 is an equidigital number, since it uses as much as digits as its factorization.
122002132423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 780224.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 122002132423 its reverse (324231200221), we get a palindrome (446233332644).
The spelling of 122002132423 in words is "one hundred twenty-two billion, two million, one hundred thirty-two thousand, four hundred twenty-three".
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