Base | Representation |
---|---|
bin | 1000011110110111101… |
… | …0000100110011010011 |
3 | 111221010211221112120020 |
4 | 2013231322010303103 |
5 | 4341421142014404 |
6 | 150540103514523 |
7 | 13346131665114 |
oct | 2075572046323 |
9 | 457124845506 |
10 | 145725344979 |
11 | 56890181605 |
12 | 242ab158a43 |
13 | 10984a951a6 |
14 | 70a5b8420b |
15 | 3bcd6a4ed9 |
hex | 21ede84cd3 |
145725344979 has 16 divisors (see below), whose sum is σ = 195265002240. Its totient is φ = 96669136160.
The previous prime is 145725344953. The next prime is 145725345047. The reversal of 145725344979 is 979443527541.
It is a cyclic number.
It is not a de Polignac number, because 145725344979 - 29 = 145725344467 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145725344929) 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, 349744 + ... + 643250.
It is an arithmetic number, because the mean of its divisors is an integer number (12204062640).
Almost surely, 2145725344979 is an apocalyptic number.
145725344979 is a deficient number, since it is larger than the sum of its proper divisors (49539657261).
145725344979 is a wasteful number, since it uses less digits than its factorization.
145725344979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294330.
The product of its digits is 38102400, while the sum is 60.
The spelling of 145725344979 in words is "one hundred forty-five billion, seven hundred twenty-five million, three hundred forty-four thousand, nine hundred seventy-nine".
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