Base | Representation |
---|---|
bin | 10001000010001… |
… | …01101111110011 |
3 | 100221212200000000 |
4 | 20201011233303 |
5 | 243040021034 |
6 | 22102401043 |
7 | 3353363544 |
oct | 1041055763 |
9 | 327780000 |
10 | 142892019 |
11 | 73727986 |
12 | 3ba30183 |
13 | 237b07ba |
14 | 14d984cb |
15 | c828599 |
hex | 8845bf3 |
142892019 has 36 divisors (see below), whose sum is σ = 222012960. Its totient is φ = 91854000.
The previous prime is 142891999. The next prime is 142892083. The reversal of 142892019 is 910298241.
142892019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142892019 - 215 = 142859251 is a prime.
It is a super-2 number, since 2×1428920192 = 40836258187792722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142892419) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 189894 + ... + 190644.
Almost surely, 2142892019 is an apocalyptic number.
142892019 is a deficient number, since it is larger than the sum of its proper divisors (79120941).
142892019 is an frugal number, since it uses more digits than its factorization.
142892019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804 (or 783 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 142892019 is about 11953.7449780393. The cubic root of 142892019 is about 522.8004959362.
The spelling of 142892019 in words is "one hundred forty-two million, eight hundred ninety-two thousand, nineteen".
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