Base | Representation |
---|---|
bin | 110111111100000001… |
… | …0000111010010000110 |
3 | 102111001202011122022202 |
4 | 1233320002013102012 |
5 | 3432004101430203 |
6 | 131103532354502 |
7 | 11451551141234 |
oct | 1577002072206 |
9 | 374052148282 |
10 | 120125420678 |
11 | 46a4373957a |
12 | 1b345915a32 |
13 | b43518b6a3 |
14 | 5b57c73954 |
15 | 31d0ecc388 |
hex | 1bf8087486 |
120125420678 has 24 divisors (see below), whose sum is σ = 190345463352. Its totient is φ = 56849270112.
The previous prime is 120125420677. The next prime is 120125420699. The reversal of 120125420678 is 876024521021.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120125420677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716201 + ... + 867867.
It is an arithmetic number, because the mean of its divisors is an integer number (7931060973).
Almost surely, 2120125420678 is an apocalyptic number.
120125420678 is a deficient number, since it is larger than the sum of its proper divisors (70220042674).
120125420678 is a wasteful number, since it uses less digits than its factorization.
120125420678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152804 (or 152785 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
Adding to 120125420678 its reverse (876024521021), we get a palindrome (996149941699).
The spelling of 120125420678 in words is "one hundred twenty billion, one hundred twenty-five million, four hundred twenty thousand, six hundred seventy-eight".
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