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3145446163 = 4369171993
BaseRepresentation
bin1011101101111011…
…1011001100010011
322010012201012222001
42323132323030103
522420213234123
61240041454431
7140642564656
oct27336731423
98105635861
103145446163
111374582292
127394a1417
133b187a762
1421ba6789d
151362240ad
hexbb7bb313

3145446163 has 4 divisors (see below), whose sum is σ = 3145561848. Its totient is φ = 3145330480.

The previous prime is 3145446149. The next prime is 3145446193. The reversal of 3145446163 is 3616445413.

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: 3616445413 = 7516635059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3145446163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145446113) 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, 7695 + ... + 79687.

It is an arithmetic number, because the mean of its divisors is an integer number (786390462).

Almost surely, 23145446163 is an apocalyptic number.

3145446163 is a deficient number, since it is larger than the sum of its proper divisors (115685).

3145446163 is an equidigital number, since it uses as much as digits as its factorization.

3145446163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115684.

The product of its digits is 103680, while the sum is 37.

The square root of 3145446163 is about 56084.2773243981. The cubic root of 3145446163 is about 1465.1904706398.

The spelling of 3145446163 in words is "three billion, one hundred forty-five million, four hundred forty-six thousand, one hundred sixty-three".

Divisors: 1 43691 71993 3145446163