Base | Representation |
---|---|
bin | 10000111001111… |
… | …00110110000010 |
3 | 100212211112121022 |
4 | 20130330312002 |
5 | 242300310403 |
6 | 22023225442 |
7 | 3341224265 |
oct | 1034746602 |
9 | 325745538 |
10 | 141806978 |
11 | 73056755 |
12 | 3b5a8282 |
13 | 234c0971 |
14 | 14b94cdc |
15 | c6b1d38 |
hex | 873cd82 |
141806978 has 8 divisors (see below), whose sum is σ = 212889468. Its totient is φ = 70843824.
The previous prime is 141806971. The next prime is 141806999. The reversal of 141806978 is 879608141.
It can be written as a sum of positive squares in 2 ways, for example, as 95199049 + 46607929 = 9757^2 + 6827^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (141806971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26801 + ... + 31652.
Almost surely, 2141806978 is an apocalyptic number.
141806978 is a deficient number, since it is larger than the sum of its proper divisors (71082490).
141806978 is a wasteful number, since it uses less digits than its factorization.
141806978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59668.
The product of its (nonzero) digits is 96768, while the sum is 44.
The square root of 141806978 is about 11908.2735104632. The cubic root of 141806978 is about 521.4738487665.
The spelling of 141806978 in words is "one hundred forty-one million, eight hundred six thousand, nine hundred seventy-eight".
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