Base | Representation |
---|---|
bin | 1000011101110001000… |
… | …0100001001110110011 |
3 | 111220101012202210010021 |
4 | 2013130100201032303 |
5 | 4340314341114312 |
6 | 150450445144311 |
7 | 13335605063404 |
oct | 2073420411663 |
9 | 456335683107 |
10 | 145429238707 |
11 | 56749017585 |
12 | 24227b5b097 |
13 | 1093862b78c |
14 | 70787059ab |
15 | 3bb26b4c07 |
hex | 21dc4213b3 |
145429238707 has 4 divisors (see below), whose sum is σ = 145430003680. Its totient is φ = 145428473736.
The previous prime is 145429238677. The next prime is 145429238711. The reversal of 145429238707 is 707832924541.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 707832924541 = 636919 ⋅1111339.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145429238707 is a prime.
It is a super-2 number, since 2×1454292387072 (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 (145429238767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147094 + ... + 559012.
It is an arithmetic number, because the mean of its divisors is an integer number (36357500920).
Almost surely, 2145429238707 is an apocalyptic number.
145429238707 is a deficient number, since it is larger than the sum of its proper divisors (764973).
145429238707 is an equidigital number, since it uses as much as digits as its factorization.
145429238707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 764972.
The product of its (nonzero) digits is 3386880, while the sum is 52.
The spelling of 145429238707 in words is "one hundred forty-five billion, four hundred twenty-nine million, two hundred thirty-eight thousand, seven hundred seven".
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