Base | Representation |
---|---|
bin | 110111111100100001… |
… | …0111110100101111101 |
3 | 102111002221011112002220 |
4 | 1233321002332211331 |
5 | 3432022430040240 |
6 | 131105341035553 |
7 | 11452145521011 |
oct | 1577102764575 |
9 | 374087145086 |
10 | 120142424445 |
11 | 46a522a277a |
12 | 1b34b555bb9 |
13 | b4388630a4 |
14 | 5b5a21c541 |
15 | 31d273a5d0 |
hex | 1bf90be97d |
120142424445 has 32 divisors (see below), whose sum is σ = 193749657600. Its totient is φ = 63569793600.
The previous prime is 120142424419. The next prime is 120142424477. The reversal of 120142424445 is 544424241021.
It is not a de Polignac number, because 120142424445 - 27 = 120142424317 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748856 + ... + 1816254.
It is an arithmetic number, because the mean of its divisors is an integer number (6054676800).
Almost surely, 2120142424445 is an apocalyptic number.
120142424445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120142424445 is a deficient number, since it is larger than the sum of its proper divisors (73607233155).
120142424445 is a wasteful number, since it uses less digits than its factorization.
120142424445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68345.
The product of its (nonzero) digits is 40960, while the sum is 33.
Adding to 120142424445 its reverse (544424241021), we get a palindrome (664566665466).
The spelling of 120142424445 in words is "one hundred twenty billion, one hundred forty-two million, four hundred twenty-four thousand, four hundred forty-five".
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