Base | Representation |
---|---|
bin | 1000011101010111110… |
… | …0101110010110100111 |
3 | 111220002211120220212222 |
4 | 2013111330232112213 |
5 | 4340110241330104 |
6 | 150432144302555 |
7 | 13333151254631 |
oct | 2072574562647 |
9 | 456084526788 |
10 | 145323386279 |
11 | 566a4299035 |
12 | 241b8611a5b |
13 | 1091c7191c6 |
14 | 706862da51 |
15 | 3ba82561be |
hex | 21d5f2e5a7 |
145323386279 has 24 divisors (see below), whose sum is σ = 159984834048. Its totient is φ = 131541401600.
The previous prime is 145323386261. The next prime is 145323386413. The reversal of 145323386279 is 972683323541.
It is not a de Polignac number, because 145323386279 - 28 = 145323386023 is a prime.
It is a super-2 number, since 2×1453233862792 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 145323386279.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145323386179) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3654554 + ... + 3694104.
It is an arithmetic number, because the mean of its divisors is an integer number (6666034752).
Almost surely, 2145323386279 is an apocalyptic number.
145323386279 is a deficient number, since it is larger than the sum of its proper divisors (14661447769).
145323386279 is a wasteful number, since it uses less digits than its factorization.
145323386279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39883 (or 39854 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 53.
The spelling of 145323386279 in words is "one hundred forty-five billion, three hundred twenty-three million, three hundred eighty-six thousand, two hundred seventy-nine".
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