Base | Representation |
---|---|
bin | 1000010100100001111… |
… | …0101101110000101010 |
3 | 111122222102111221210200 |
4 | 2011020132231300222 |
5 | 4320230140311244 |
6 | 145400441053030 |
7 | 13220301242235 |
oct | 2051036556052 |
9 | 448872457720 |
10 | 142949932074 |
11 | 55696567834 |
12 | 23855787176 |
13 | 10631a96231 |
14 | 6cc132041c |
15 | 3ab9bc5669 |
hex | 21487adc2a |
142949932074 has 24 divisors (see below), whose sum is σ = 323191151712. Its totient is φ = 45578239080.
The previous prime is 142949932009. The next prime is 142949932093. The reversal of 142949932074 is 470239949241.
142949932074 is a `hidden beast` number, since 1 + 429 + 4 + 9 + 9 + 3 + 207 + 4 = 666.
It is a super-2 number, since 2×1429499320742 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142949932074.
It is an unprimeable number.
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, 172644432 + ... + 172645259.
It is an arithmetic number, because the mean of its divisors is an integer number (13466297988).
Almost surely, 2142949932074 is an apocalyptic number.
142949932074 is an abundant number, since it is smaller than the sum of its proper divisors (180241219638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142949932074 is a wasteful number, since it uses less digits than its factorization.
142949932074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345289722 (or 345289719 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 142949932074 in words is "one hundred forty-two billion, nine hundred forty-nine million, nine hundred thirty-two thousand, seventy-four".
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