Base | Representation |
---|---|
bin | 10000111100100… |
… | …01110100101111 |
3 | 100220111020002001 |
4 | 20132101310233 |
5 | 242342430210 |
6 | 22034513131 |
7 | 3344204140 |
oct | 1036216457 |
9 | 326436061 |
10 | 142155055 |
11 | 73274219 |
12 | 3b7357a7 |
13 | 235b3223 |
14 | 14c45ac7 |
15 | c73003a |
hex | 8791d2f |
142155055 has 32 divisors (see below), whose sum is σ = 206300160. Its totient is φ = 91860480.
The previous prime is 142155031. The next prime is 142155059. The reversal of 142155055 is 550551241.
It is not a de Polignac number, because 142155055 - 29 = 142154543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142155059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159822 + ... + 160708.
It is an arithmetic number, because the mean of its divisors is an integer number (6446880).
Almost surely, 2142155055 is an apocalyptic number.
142155055 is a deficient number, since it is larger than the sum of its proper divisors (64145105).
142155055 is a wasteful number, since it uses less digits than its factorization.
142155055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1159.
The product of its (nonzero) digits is 5000, while the sum is 28.
The square root of 142155055 is about 11922.8794760326. The cubic root of 142155055 is about 521.9001670964.
The spelling of 142155055 in words is "one hundred forty-two million, one hundred fifty-five thousand, fifty-five".
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