Base | Representation |
---|---|
bin | 1000010010100000011… |
… | …1110001011110010001 |
3 | 111121120120222112120012 |
4 | 2010220013301132101 |
5 | 4313122201001212 |
6 | 145230525124305 |
7 | 13200656633132 |
oct | 2045007613621 |
9 | 447516875505 |
10 | 142407047057 |
11 | 5543807a230 |
12 | 237239b9695 |
13 | 105764773b2 |
14 | 6c6d1a3c89 |
15 | 3a871da922 |
hex | 21281f1791 |
142407047057 has 16 divisors (see below), whose sum is σ = 164523965184. Its totient is φ = 121821600000.
The previous prime is 142407047011. The next prime is 142407047059. The reversal of 142407047057 is 750740704241.
It is a cyclic number.
It is not a de Polignac number, because 142407047057 - 28 = 142407046801 is a prime.
It is a super-2 number, since 2×1424070470572 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142407047059) 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, 911432 + ... + 1056182.
It is an arithmetic number, because the mean of its divisors is an integer number (10282747824).
Almost surely, 2142407047057 is an apocalyptic number.
142407047057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
142407047057 is a deficient number, since it is larger than the sum of its proper divisors (22116918127).
142407047057 is a wasteful number, since it uses less digits than its factorization.
142407047057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150040.
The product of its (nonzero) digits is 219520, while the sum is 41.
The spelling of 142407047057 in words is "one hundred forty-two billion, four hundred seven million, forty-seven thousand, fifty-seven".
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