Base | Representation |
---|---|
bin | 1000010101011111010… |
… | …1010001110011101100 |
3 | 111200122101012000121120 |
4 | 2011113311101303230 |
5 | 4321242110131012 |
6 | 145442201500540 |
7 | 13226546465136 |
oct | 2052765216354 |
9 | 450571160546 |
10 | 143207505132 |
11 | 558089a322a |
12 | 23907aa1750 |
13 | 1067325a923 |
14 | 6d0760c056 |
15 | 3ad260358c |
hex | 2157d51cec |
143207505132 has 12 divisors (see below), whose sum is σ = 334150845336. Its totient is φ = 47735835040.
The previous prime is 143207505073. The next prime is 143207505137. The reversal of 143207505132 is 231505702341.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1432075051322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 143207505093 and 143207505102.
It is not an unprimeable number, because it can be changed into a prime (143207505137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966979369 + ... + 5966979392.
It is an arithmetic number, because the mean of its divisors is an integer number (27845903778).
Almost surely, 2143207505132 is an apocalyptic number.
143207505132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143207505132 is an abundant number, since it is smaller than the sum of its proper divisors (190943340204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143207505132 is a wasteful number, since it uses less digits than its factorization.
143207505132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11933958768 (or 11933958766 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 33.
The spelling of 143207505132 in words is "one hundred forty-three billion, two hundred seven million, five hundred five thousand, one hundred thirty-two".
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