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3045505123 = 19115945053
BaseRepresentation
bin1011010110000110…
…1011100001100011
321212020122200122001
42311201223201203
522214122130443
61222111424431
7135320236453
oct26541534143
97766580561
103045505123
111323121091
1270bb25117
13396c57a4b
1420c68dd63
1512c581d4d
hexb586b863

3045505123 has 4 divisors (see below), whose sum is σ = 3061450368. Its totient is φ = 3029559880.

The previous prime is 3045505109. The next prime is 3045505153. The reversal of 3045505123 is 3215055403.

3045505123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215055403 = 7459293629.

It is a cyclic number.

It is not a de Polignac number, because 3045505123 - 213 = 3045496931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3045505091 and 3045505100.

It is not an unprimeable number, because it can be changed into a prime (3045505153) 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, 7972336 + ... + 7972717.

It is an arithmetic number, because the mean of its divisors is an integer number (765362592).

Almost surely, 23045505123 is an apocalyptic number.

3045505123 is a deficient number, since it is larger than the sum of its proper divisors (15945245).

3045505123 is a wasteful number, since it uses less digits than its factorization.

3045505123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15945244.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3045505123 is about 55186.0953773684. The cubic root of 3045505123 is about 1449.5052014474.

The spelling of 3045505123 in words is "three billion, forty-five million, five hundred five thousand, one hundred twenty-three".

Divisors: 1 191 15945053 3045505123