Base | Representation |
---|---|
bin | 1000010011001111110… |
… | …1010110100110101001 |
3 | 111122002102200012211010 |
4 | 2010303331112212221 |
5 | 4314024021022103 |
6 | 145302341454133 |
7 | 13205620646442 |
oct | 2046375264651 |
9 | 448072605733 |
10 | 142605642153 |
11 | 5552a192707 |
12 | 2377a411349 |
13 | 105a865c0a0 |
14 | 6c8b6dc2c9 |
15 | 3a99868903 |
hex | 2133f569a9 |
142605642153 has 64 divisors (see below), whose sum is σ = 219144683520. Its totient is φ = 81806258688.
The previous prime is 142605642139. The next prime is 142605642181. The reversal of 142605642153 is 351246506241.
It is not a de Polignac number, because 142605642153 - 221 = 142603545001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (142605642103) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10068925 + ... + 10083077.
It is an arithmetic number, because the mean of its divisors is an integer number (3424135680).
Almost surely, 2142605642153 is an apocalyptic number.
142605642153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
142605642153 is a deficient number, since it is larger than the sum of its proper divisors (76539041367).
142605642153 is a wasteful number, since it uses less digits than its factorization.
142605642153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14478.
The product of its (nonzero) digits is 172800, while the sum is 39.
The spelling of 142605642153 in words is "one hundred forty-two billion, six hundred five million, six hundred forty-two thousand, one hundred fifty-three".
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