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3145431503 = 89241146647
BaseRepresentation
bin1011101101111011…
…0111100111001111
322010012200110212002
42323132313213033
522420212302003
61240041302515
7140642504144
oct27336674717
98105613762
103145431503
111374572275
12739494a3b
133b1873b96
1421ba623cb
1513621ea88
hexbb7b79cf

3145431503 has 8 divisors (see below), whose sum is σ = 3193993440. Its totient is φ = 3097163520.

The previous prime is 3145431451. The next prime is 3145431521. The reversal of 3145431503 is 3051345413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3145431503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145431533) 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 7 ways as a sum of consecutive naturals, for example, 51875 + ... + 94772.

It is an arithmetic number, because the mean of its divisors is an integer number (399249180).

Almost surely, 23145431503 is an apocalyptic number.

3145431503 is a deficient number, since it is larger than the sum of its proper divisors (48561937).

3145431503 is a wasteful number, since it uses less digits than its factorization.

3145431503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146977.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3145431503 is about 56084.1466280802. The cubic root of 3145431503 is about 1465.1881943622.

Adding to 3145431503 its reverse (3051345413), we get a palindrome (6196776916).

The spelling of 3145431503 in words is "three billion, one hundred forty-five million, four hundred thirty-one thousand, five hundred three".

Divisors: 1 89 241 21449 146647 13051583 35341927 3145431503