Base | Representation |
---|---|
bin | 100000011110111101110000… |
… | …110100000011111111001110 |
3 | 200201211210112122210100011120 |
4 | 200132331300310003333032 |
5 | 122211201304301102422 |
6 | 1223503242024101410 |
7 | 42043453354202562 |
oct | 4036756064037716 |
9 | 621753478710146 |
10 | 142865389862862 |
11 | 415809650a25a7 |
12 | 1403432a004866 |
13 | 61941c120c684 |
14 | 273ca1673d6a2 |
15 | 117b3cb2c545c |
hex | 81ef70d03fce |
142865389862862 has 64 divisors (see below), whose sum is σ = 291208902969600. Its totient is φ = 46717923398400.
The previous prime is 142865389862861. The next prime is 142865389862917. The reversal of 142865389862862 is 268268983568241.
It is a super-2 number, since 2×1428653898628622 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142865389862861) 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, 125463589 + ... + 126597167.
It is an arithmetic number, because the mean of its divisors is an integer number (4550139108900).
Almost surely, 2142865389862862 is an apocalyptic number.
142865389862862 is an abundant number, since it is smaller than the sum of its proper divisors (148343513106738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142865389862862 is a wasteful number, since it uses less digits than its factorization.
142865389862862 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1135601.
The product of its digits is 3822059520, while the sum is 78.
The spelling of 142865389862862 in words is "one hundred forty-two trillion, eight hundred sixty-five billion, three hundred eighty-nine million, eight hundred sixty-two thousand, eight hundred sixty-two".
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