Base | Representation |
---|---|
bin | 10000111100001… |
… | …11100010110000 |
3 | 100220102002022101 |
4 | 20132013202300 |
5 | 242340103234 |
6 | 22033550144 |
7 | 3343640311 |
oct | 1036074260 |
9 | 326362271 |
10 | 142112944 |
11 | 73245616 |
12 | 3b715354 |
13 | 23599ccc |
14 | 14c34608 |
15 | c722814 |
hex | 87878b0 |
142112944 has 20 divisors (see below), whose sum is σ = 275547096. Its totient is φ = 71004032.
The previous prime is 142112941. The next prime is 142112947. The reversal of 142112944 is 449211241.
It is an interprime number because it is at equal distance from previous prime (142112941) and next prime (142112947).
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (142112941) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28287 + ... + 32929.
Almost surely, 2142112944 is an apocalyptic number.
It is an amenable number.
142112944 is a deficient number, since it is larger than the sum of its proper divisors (133434152).
142112944 is a wasteful number, since it uses less digits than its factorization.
142112944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6564 (or 6558 counting only the distinct ones).
The product of its digits is 2304, while the sum is 28.
The square root of 142112944 is about 11921.1133708224. The cubic root of 142112944 is about 521.8486273453.
It can be divided in two parts, 1421 and 12944, that added together give a triangular number (14365 = T169).
The spelling of 142112944 in words is "one hundred forty-two million, one hundred twelve thousand, nine hundred forty-four".
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