Base | Representation |
---|---|
bin | 1000010010100000011… |
… | …1110001011110010101 |
3 | 111121120120222112120100 |
4 | 2010220013301132111 |
5 | 4313122201001221 |
6 | 145230525124313 |
7 | 13200656633136 |
oct | 2045007613625 |
9 | 447516875510 |
10 | 142407047061 |
11 | 5543807a234 |
12 | 237239b9699 |
13 | 105764773b6 |
14 | 6c6d1a3c8d |
15 | 3a871da926 |
hex | 21281f1795 |
142407047061 has 6 divisors (see below), whose sum is σ = 205699067990. Its totient is φ = 94938031368.
The previous prime is 142407047059. The next prime is 142407047087. The reversal of 142407047061 is 160740704241.
It is a happy number.
142407047061 is a `hidden beast` number, since 142 + 40 + 7 + 0 + 470 + 6 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 128043024561 + 14364022500 = 357831^2 + 119850^2 .
It is not a de Polignac number, because 142407047061 - 21 = 142407047059 is a prime.
It is a super-3 number, since 3×1424070470613 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142407047011) 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 5 ways as a sum of consecutive naturals, for example, 7911502606 + ... + 7911502623.
Almost surely, 2142407047061 is an apocalyptic number.
It is an amenable number.
142407047061 is a deficient number, since it is larger than the sum of its proper divisors (63292020929).
142407047061 is a wasteful number, since it uses less digits than its factorization.
142407047061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15823005235 (or 15823005232 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The spelling of 142407047061 in words is "one hundred forty-two billion, four hundred seven million, forty-seven thousand, sixty-one".
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