Base | Representation |
---|---|
bin | 1000010010010001011… |
… | …1010011000100100100 |
3 | 111121102012100211012021 |
4 | 2010210113103010210 |
5 | 4313010031223342 |
6 | 145220354032524 |
7 | 13166263050535 |
oct | 2044427230444 |
9 | 447365324167 |
10 | 142344007972 |
11 | 55405533011 |
12 | 23706878744 |
13 | 105663a506a |
14 | 6c64a7468c |
15 | 3a818d7567 |
hex | 21245d3124 |
142344007972 has 24 divisors (see below), whose sum is σ = 257709445560. Its totient is φ = 68713075200.
The previous prime is 142344007969. The next prime is 142344007973. The reversal of 142344007972 is 279700443241.
It can be written as a sum of positive squares in 4 ways, for example, as 43190814976 + 99153192996 = 207824^2 + 314886^2 .
It is not an unprimeable number, because it can be changed into a prime (142344007973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136508 + ... + 2202124.
It is an arithmetic number, because the mean of its divisors is an integer number (10737893565).
Almost surely, 2142344007972 is an apocalyptic number.
It is an amenable number.
142344007972 is a deficient number, since it is larger than the sum of its proper divisors (115365437588).
142344007972 is a wasteful number, since it uses less digits than its factorization.
142344007972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84351 (or 84349 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 43.
The spelling of 142344007972 in words is "one hundred forty-two billion, three hundred forty-four million, seven thousand, nine hundred seventy-two".
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