Base | Representation |
---|---|
bin | 1000010011000101111… |
… | …1000100111111011101 |
3 | 111121222112121021000102 |
4 | 2010301133010333131 |
5 | 4313432410320021 |
6 | 145254300310445 |
7 | 13204605201650 |
oct | 2046137047735 |
9 | 447875537012 |
10 | 142564151261 |
11 | 55508823a14 |
12 | 23768542425 |
13 | 1059cb92a6c |
14 | 6c85dbb897 |
15 | 3a95dc000b |
hex | 21317c4fdd |
142564151261 has 16 divisors (see below), whose sum is σ = 167011141248. Its totient is φ = 119141145600.
The previous prime is 142564151221. The next prime is 142564151269. The reversal of 142564151261 is 162151465241.
It is not a de Polignac number, because 142564151261 - 234 = 125384282077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142564151269) 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, 292781 + ... + 608973.
It is an arithmetic number, because the mean of its divisors is an integer number (10438196328).
Almost surely, 2142564151261 is an apocalyptic number.
It is an amenable number.
142564151261 is a deficient number, since it is larger than the sum of its proper divisors (24446989987).
142564151261 is a wasteful number, since it uses less digits than its factorization.
142564151261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317812.
The product of its digits is 57600, while the sum is 38.
The spelling of 142564151261 in words is "one hundred forty-two billion, five hundred sixty-four million, one hundred fifty-one thousand, two hundred sixty-one".
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