Base | Representation |
---|---|
bin | 110000000001111011… |
… | …1011010010101111011 |
3 | 100212020021202202222222 |
4 | 1200003313122111323 |
5 | 3142214340310241 |
6 | 115214515234255 |
7 | 10311002102561 |
oct | 1400367322573 |
9 | 325207682888 |
10 | 103144072571 |
11 | 3a81a15a391 |
12 | 17ba68a898b |
13 | 9959cc8c07 |
14 | 4dc684ba31 |
15 | 2a3a28ba4b |
hex | 1803dda57b |
103144072571 has 4 divisors (see below), whose sum is σ = 103155016392. Its totient is φ = 103133128752.
The previous prime is 103144072531. The next prime is 103144072583. The reversal of 103144072571 is 175270441301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175270441301 = 217793 ⋅804757.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103144072571 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103144072531) 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, 5457761 + ... + 5476626.
It is an arithmetic number, because the mean of its divisors is an integer number (25788754098).
Almost surely, 2103144072571 is an apocalyptic number.
103144072571 is a deficient number, since it is larger than the sum of its proper divisors (10943821).
103144072571 is an equidigital number, since it uses as much as digits as its factorization.
103144072571 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10943820.
The product of its (nonzero) digits is 23520, while the sum is 35.
It can be divided in two parts, 1031440 and 72571, that added together give a palindrome (1104011).
The spelling of 103144072571 in words is "one hundred three billion, one hundred forty-four million, seventy-two thousand, five hundred seventy-one".
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