Base | Representation |
---|---|
bin | 1000011110111100001… |
… | …1010011100000110111 |
3 | 111221012012001211120210 |
4 | 2013233003103200313 |
5 | 4341441100314001 |
6 | 150542031200503 |
7 | 13346454110304 |
oct | 2075703234067 |
9 | 457165054523 |
10 | 145744541751 |
11 | 5689aaa3406 |
12 | 242b5676133 |
13 | 10988a56b23 |
14 | 70a85400ab |
15 | 3bd01e7dd6 |
hex | 21ef0d3837 |
145744541751 has 8 divisors (see below), whose sum is σ = 194328590464. Its totient is φ = 97161760440.
The previous prime is 145744541749. The next prime is 145744541809. The reversal of 145744541751 is 157145447541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145744541751 - 21 = 145744541749 is a prime.
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 145744541751.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145744541711) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4555 + ... + 539916.
It is an arithmetic number, because the mean of its divisors is an integer number (24291073808).
Almost surely, 2145744541751 is an apocalyptic number.
145744541751 is a deficient number, since it is larger than the sum of its proper divisors (48584048713).
145744541751 is an equidigital number, since it uses as much as digits as its factorization.
145744541751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633701.
The product of its digits is 1568000, while the sum is 48.
The spelling of 145744541751 in words is "one hundred forty-five billion, seven hundred forty-four million, five hundred forty-one thousand, seven hundred fifty-one".
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