Base | Representation |
---|---|
bin | 10001000001001… |
… | …11101110110111 |
3 | 100221122102100200 |
4 | 20200213232313 |
5 | 243022102304 |
6 | 22100011543 |
7 | 3352342245 |
oct | 1040475667 |
9 | 327572320 |
10 | 142769079 |
11 | 73653582 |
12 | 3b990bb3 |
13 | 2376985b |
14 | 14d65795 |
15 | c801e39 |
hex | 8827bb7 |
142769079 has 12 divisors (see below), whose sum is σ = 206325600. Its totient is φ = 95131584.
The previous prime is 142769069. The next prime is 142769087. The reversal of 142769079 is 970967241.
It is not a de Polignac number, because 142769079 - 28 = 142768823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142769069) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32962 + ... + 37040.
It is an arithmetic number, because the mean of its divisors is an integer number (17193800).
Almost surely, 2142769079 is an apocalyptic number.
142769079 is a deficient number, since it is larger than the sum of its proper divisors (63556521).
142769079 is a wasteful number, since it uses less digits than its factorization.
142769079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7974 (or 7971 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 45.
The square root of 142769079 is about 11948.6015499723. The cubic root of 142769079 is about 522.6505189696.
The spelling of 142769079 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, seventy-nine".
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