Base | Representation |
---|---|
bin | 110111111100100001… |
… | …0001010110101010000 |
3 | 102111002220202202021120 |
4 | 1233321002022311100 |
5 | 3432022401244212 |
6 | 131105332322240 |
7 | 11452143645624 |
oct | 1577102126520 |
9 | 374086682246 |
10 | 120142212432 |
11 | 46a52168460 |
12 | 1b34b473380 |
13 | b4387ba738 |
14 | 5b5a1a5184 |
15 | 31d26e788c |
hex | 1bf908ad50 |
120142212432 has 80 divisors (see below), whose sum is σ = 338800458240. Its totient is φ = 36383305600.
The previous prime is 120142212431. The next prime is 120142212467. The reversal of 120142212432 is 234212241021.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120142212431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757069 + ... + 901907.
It is an arithmetic number, because the mean of its divisors is an integer number (4235005728).
Almost surely, 2120142212432 is an apocalyptic number.
120142212432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120142212432 is an abundant number, since it is smaller than the sum of its proper divisors (218658245808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120142212432 is a wasteful number, since it uses less digits than its factorization.
120142212432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146432 (or 146426 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 120142212432 its reverse (234212241021), we get a palindrome (354354453453).
The spelling of 120142212432 in words is "one hundred twenty billion, one hundred forty-two million, two hundred twelve thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •