Base | Representation |
---|---|
bin | 1000011101010101010… |
… | …1100110111001101111 |
3 | 111220002010021221212011 |
4 | 2013111111212321233 |
5 | 4340100130212033 |
6 | 150431140422051 |
7 | 13332665146324 |
oct | 2072525467157 |
9 | 456063257764 |
10 | 145313132143 |
11 | 56699524a43 |
12 | 241b50a7927 |
13 | 1091a568a7a |
14 | 7067120b4b |
15 | 3ba73ccccd |
hex | 21d5566e6f |
145313132143 has 16 divisors (see below), whose sum is σ = 151125626880. Its totient is φ = 139630792000.
The previous prime is 145313132071. The next prime is 145313132147. The reversal of 145313132143 is 341231313541.
It is a cyclic number.
It is not a de Polignac number, because 145313132143 - 29 = 145313131631 is a prime.
It is a super-2 number, since 2×1453131321432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145313132147) 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, 706443 + ... + 888643.
It is an arithmetic number, because the mean of its divisors is an integer number (9445351680).
Almost surely, 2145313132143 is an apocalyptic number.
145313132143 is a deficient number, since it is larger than the sum of its proper divisors (5812494737).
145313132143 is a wasteful number, since it uses less digits than its factorization.
145313132143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182558.
The product of its digits is 12960, while the sum is 31.
Adding to 145313132143 its reverse (341231313541), we get a palindrome (486544445684).
The spelling of 145313132143 in words is "one hundred forty-five billion, three hundred thirteen million, one hundred thirty-two thousand, one hundred forty-three".
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