Base | Representation |
---|---|
bin | 1000010101100011101… |
… | …1100111000111001000 |
3 | 111200200122212201220000 |
4 | 2011120323213013020 |
5 | 4321311320124342 |
6 | 145444101003000 |
7 | 13230162265254 |
oct | 2053073470710 |
9 | 450618781800 |
10 | 143225942472 |
11 | 558183464a8 |
12 | 239120b3460 |
13 | 106770149b2 |
14 | 6d09c4b264 |
15 | 3ad404644c |
hex | 2158ee71c8 |
143225942472 has 60 divisors (see below), whose sum is σ = 401192240955. Its totient is φ = 47738769552.
The previous prime is 143225942471. The next prime is 143225942479. The reversal of 143225942472 is 274249522341.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
143225942472 is a `hidden beast` number, since 1 + 4 + 32 + 2 + 594 + 24 + 7 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 71612971236 + 71612971236 = 267606^2 + 267606^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=267606.
It is not an unprimeable number, because it can be changed into a prime (143225942471) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9626383 + ... + 9641249.
Almost surely, 2143225942472 is an apocalyptic number.
143225942472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143225942472 is an abundant number, since it is smaller than the sum of its proper divisors (257966298483).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143225942472 is an frugal number, since it uses more digits than its factorization.
143225942472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29752 (or 14872 counting only the distinct ones).
The product of its digits is 967680, while the sum is 45.
The spelling of 143225942472 in words is "one hundred forty-three billion, two hundred twenty-five million, nine hundred forty-two thousand, four hundred seventy-two".
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