Base | Representation |
---|---|
bin | 111000001110011111… |
… | …0011011101000000111 |
3 | 102112122221102022202120 |
4 | 1300130332123220013 |
5 | 3434241233244143 |
6 | 131245232541023 |
7 | 11503115241243 |
oct | 1603476335007 |
9 | 375587368676 |
10 | 120745212423 |
11 | 47231585260 |
12 | 1b4993b1773 |
13 | b5036c6974 |
14 | 5bb62cd423 |
15 | 321a609383 |
hex | 1c1cf9ba07 |
120745212423 has 8 divisors (see below), whose sum is σ = 175629399936. Its totient is φ = 73178916600.
The previous prime is 120745212391. The next prime is 120745212457. The reversal of 120745212423 is 324212547021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120745212423 - 25 = 120745212391 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3658945831 = 120745212423 / (1 + 2 + 0 + 7 + 4 + 5 + 2 + 1 + 2 + 4 + 2 + 3).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120745212473) 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, 1829472883 + ... + 1829472948.
It is an arithmetic number, because the mean of its divisors is an integer number (21953674992).
Almost surely, 2120745212423 is an apocalyptic number.
120745212423 is a deficient number, since it is larger than the sum of its proper divisors (54884187513).
120745212423 is a wasteful number, since it uses less digits than its factorization.
120745212423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3658945845.
The product of its (nonzero) digits is 26880, while the sum is 33.
Adding to 120745212423 its reverse (324212547021), we get a palindrome (444957759444).
The spelling of 120745212423 in words is "one hundred twenty billion, seven hundred forty-five million, two hundred twelve thousand, four hundred twenty-three".
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