Base | Representation |
---|---|
bin | 1000011100111011010… |
… | …1011000011110011111 |
3 | 111212210111222112201022 |
4 | 2013032311120132133 |
5 | 4334334212134101 |
6 | 150412242034355 |
7 | 13330201546430 |
oct | 2071665303637 |
9 | 455714875638 |
10 | 145204021151 |
11 | 56642980272 |
12 | 241846489bb |
13 | 10900a85257 |
14 | 705683b487 |
15 | 3b9ca28a1b |
hex | 21ced5879f |
145204021151 has 8 divisors (see below), whose sum is σ = 166005478944. Its totient is φ = 124417069920.
The previous prime is 145204021139. The next prime is 145204021163. The reversal of 145204021151 is 151120402541.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (145204021139) and next prime (145204021163).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145204021151 - 234 = 128024151967 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 145204021151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145204021181) 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, 3605180 + ... + 3645233.
It is an arithmetic number, because the mean of its divisors is an integer number (20750684868).
Almost surely, 2145204021151 is an apocalyptic number.
145204021151 is a deficient number, since it is larger than the sum of its proper divisors (20801457793).
145204021151 is an equidigital number, since it uses as much as digits as its factorization.
145204021151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7253281.
The product of its (nonzero) digits is 1600, while the sum is 26.
Adding to 145204021151 its reverse (151120402541), we get a palindrome (296324423692).
The spelling of 145204021151 in words is "one hundred forty-five billion, two hundred four million, twenty-one thousand, one hundred fifty-one".
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