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3145420513 = 43914275021
BaseRepresentation
bin1011101101111011…
…0100111011100001
322010012122220210001
42323132310323201
522420211424023
61240041140001
7140642430124
oct27336647341
98105586701
103145420513
111374564a94
1273948a601
133b186bb91
1421ba5c3bb
1513621b6ad
hexbb7b4ee1

3145420513 has 8 divisors (see below), whose sum is σ = 3155423040. Its totient is φ = 3135431760.

The previous prime is 3145420501. The next prime is 3145420543. The reversal of 3145420513 is 3150245413.

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-3145420513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145420543) 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, 623943 + ... + 628963.

It is an arithmetic number, because the mean of its divisors is an integer number (394427880).

Almost surely, 23145420513 is an apocalyptic number.

It is an amenable number.

3145420513 is a deficient number, since it is larger than the sum of its proper divisors (10002527).

3145420513 is a wasteful number, since it uses less digits than its factorization.

3145420513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3145420513 is about 56084.0486502178. The cubic root of 3145420513 is about 1465.1864879257.

Adding to 3145420513 its reverse (3150245413), we get a palindrome (6295665926).

The spelling of 3145420513 in words is "three billion, one hundred forty-five million, four hundred twenty thousand, five hundred thirteen".

Divisors: 1 439 1427 5021 626453 2204219 7164967 3145420513