Base | Representation |
---|---|
bin | 1000010011110100010… |
… | …1110100101000011001 |
3 | 111122111002222100102000 |
4 | 2010331011310220121 |
5 | 4314332231412431 |
6 | 145325453431213 |
7 | 13212461156610 |
oct | 2047505645031 |
9 | 448432870360 |
10 | 142758857241 |
11 | 555a8720450 |
12 | 2380179b509 |
13 | 106013154c0 |
14 | 6ca3bc2877 |
15 | 3aa80309e6 |
hex | 213d174a19 |
142758857241 has 128 divisors (see below), whose sum is σ = 291641548800. Its totient is φ = 66605172480.
The previous prime is 142758857231. The next prime is 142758857281.
142758857241 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 588 + 57 + 2 + 4 + 1 = 666.
142758857241 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 142758857241 - 29 = 142758856729 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (142758857201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 928620 + ... + 1071378.
It is an arithmetic number, because the mean of its divisors is an integer number (2278449600).
Almost surely, 2142758857241 is an apocalyptic number.
142758857241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
142758857241 is an abundant number, since it is smaller than the sum of its proper divisors (148882691559).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142758857241 is a wasteful number, since it uses less digits than its factorization.
142758857241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142836 (or 142830 counting only the distinct ones).
The product of its digits is 5017600, while the sum is 54.
It can be divided in two parts, 142758 and 857241, that added together give a palindrome (999999).
The spelling of 142758857241 in words is "one hundred forty-two billion, seven hundred fifty-eight million, eight hundred fifty-seven thousand, two hundred forty-one".
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