Base | Representation |
---|---|
bin | 1000010010011001100… |
… | …1010000111101100011 |
3 | 111121111120110202120001 |
4 | 2010212121100331203 |
5 | 4313042241444201 |
6 | 145224012200431 |
7 | 13200155460316 |
oct | 2044631207543 |
9 | 447446422501 |
10 | 142378078051 |
11 | 55422793400 |
12 | 23716169117 |
13 | 10570473781 |
14 | 6c693c297d |
15 | 3a848b7301 |
hex | 2126650f63 |
142378078051 has 24 divisors (see below), whose sum is σ = 157189101552. Its totient is φ = 128864155200.
The previous prime is 142378078039. The next prime is 142378078061. The reversal of 142378078051 is 150870873241.
It is not a de Polignac number, because 142378078051 - 27 = 142378077923 is a prime.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142378077992 and 142378078010.
It is not an unprimeable number, because it can be changed into a prime (142378078021) 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 23 ways as a sum of consecutive naturals, for example, 70798636 + ... + 70800646.
It is an arithmetic number, because the mean of its divisors is an integer number (6549545898).
Almost surely, 2142378078051 is an apocalyptic number.
142378078051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142378078051 is a deficient number, since it is larger than the sum of its proper divisors (14811023501).
142378078051 is a wasteful number, since it uses less digits than its factorization.
142378078051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4323 (or 4312 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 46.
The spelling of 142378078051 in words is "one hundred forty-two billion, three hundred seventy-eight million, seventy-eight thousand, fifty-one".
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