Base | Representation |
---|---|
bin | 1000011111010001111… |
… | …1101111001011110001 |
3 | 111221102112221100202101 |
4 | 2013310133233023301 |
5 | 4342132441144301 |
6 | 150555053020401 |
7 | 13351643352133 |
oct | 2076437571361 |
9 | 457375840671 |
10 | 145835881201 |
11 | 5693760a05a |
12 | 24320184701 |
13 | 109a195763a |
14 | 70b6719053 |
15 | 3bd823b701 |
hex | 21f47ef2f1 |
145835881201 has 4 divisors (see below), whose sum is σ = 152176571712. Its totient is φ = 139495190692.
The previous prime is 145835881157. The next prime is 145835881241. The reversal of 145835881201 is 102188538541.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 145835881201 - 223 = 145827492593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145835881241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170345221 + ... + 3170345266.
It is an arithmetic number, because the mean of its divisors is an integer number (38044142928).
Almost surely, 2145835881201 is an apocalyptic number.
It is an amenable number.
145835881201 is a deficient number, since it is larger than the sum of its proper divisors (6340690511).
145835881201 is an equidigital number, since it uses as much as digits as its factorization.
145835881201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6340690510.
The product of its (nonzero) digits is 307200, while the sum is 46.
The spelling of 145835881201 in words is "one hundred forty-five billion, eight hundred thirty-five million, eight hundred eighty-one thousand, two hundred one".
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