Base | Representation |
---|---|
bin | 1000011101100101111… |
… | …0001000011111011011 |
3 | 111220020221202222101111 |
4 | 2013121132020133123 |
5 | 4340220403210424 |
6 | 150442055001151 |
7 | 13334466440254 |
oct | 2073136103733 |
9 | 456227688344 |
10 | 145382475739 |
11 | 567246878a6 |
12 | 242143691b7 |
13 | 1092ba37897 |
14 | 7072411b2b |
15 | 3bad529194 |
hex | 21d97887db |
145382475739 has 4 divisors (see below), whose sum is σ = 145661521320. Its totient is φ = 145103430160.
The previous prime is 145382475709. The next prime is 145382475743. The reversal of 145382475739 is 937574283541.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 145382475739 - 27 = 145382475611 is a prime.
It is a super-2 number, since 2×1453824757392 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145382475709) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139522009 + ... + 139523050.
It is an arithmetic number, because the mean of its divisors is an integer number (36415380330).
Almost surely, 2145382475739 is an apocalyptic number.
145382475739 is a deficient number, since it is larger than the sum of its proper divisors (279045581).
145382475739 is an equidigital number, since it uses as much as digits as its factorization.
145382475739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279045580.
The product of its digits is 25401600, while the sum is 58.
The spelling of 145382475739 in words is "one hundred forty-five billion, three hundred eighty-two million, four hundred seventy-five thousand, seven hundred thirty-nine".
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