Base | Representation |
---|---|
bin | 1000010101001101110… |
… | …1011010111111011111 |
3 | 111200110021010210220111 |
4 | 2011103131122333133 |
5 | 4321114320024211 |
6 | 145431021230451 |
7 | 13224666064540 |
oct | 2052335327737 |
9 | 450407123814 |
10 | 143134142431 |
11 | 557805457a5 |
12 | 238a7402427 |
13 | 10660cb2647 |
14 | 6cdb9924c7 |
15 | 3acae61421 |
hex | 215375afdf |
143134142431 has 16 divisors (see below), whose sum is σ = 169220413440. Its totient is φ = 118474460640.
The previous prime is 143134142419. The next prime is 143134142467. The reversal of 143134142431 is 134241431341.
It is a cyclic number.
It is not a de Polignac number, because 143134142431 - 219 = 143133618143 is a prime.
It is a super-2 number, since 2×1431341424312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143134142393 and 143134142402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143134142231) 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, 604876 + ... + 807553.
It is an arithmetic number, because the mean of its divisors is an integer number (10576275840).
Almost surely, 2143134142431 is an apocalyptic number.
143134142431 is a deficient number, since it is larger than the sum of its proper divisors (26086271009).
143134142431 is a wasteful number, since it uses less digits than its factorization.
143134142431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1412934.
The product of its digits is 13824, while the sum is 31.
Adding to 143134142431 its reverse (134241431341), we get a palindrome (277375573772).
The spelling of 143134142431 in words is "one hundred forty-three billion, one hundred thirty-four million, one hundred forty-two thousand, four hundred thirty-one".
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