Base | Representation |
---|---|
bin | 1000010010011011010… |
… | …0011110011011000110 |
3 | 111121112001220011020020 |
4 | 2010212310132123012 |
5 | 4313101103223303 |
6 | 145224425120010 |
7 | 13200303216315 |
oct | 2044664363306 |
9 | 447461804206 |
10 | 142385211078 |
11 | 55426815570 |
12 | 23718629006 |
13 | 10571aa03b6 |
14 | 6c6a31c27c |
15 | 3a85325a53 |
hex | 2126d1e6c6 |
142385211078 has 32 divisors (see below), whose sum is σ = 313861322880. Its totient is φ = 42702216960.
The previous prime is 142385211071. The next prime is 142385211079. The reversal of 142385211078 is 870112583241.
It is a super-2 number, since 2×1423852110782 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142385211071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11113968 + ... + 11126771.
It is an arithmetic number, because the mean of its divisors is an integer number (9808166340).
Almost surely, 2142385211078 is an apocalyptic number.
142385211078 is an abundant number, since it is smaller than the sum of its proper divisors (171476111802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142385211078 is a wasteful number, since it uses less digits than its factorization.
142385211078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22240852.
The product of its (nonzero) digits is 107520, while the sum is 42.
The spelling of 142385211078 in words is "one hundred forty-two billion, three hundred eighty-five million, two hundred eleven thousand, seventy-eight".
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