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5145943505 = 56171668053
BaseRepresentation
bin1001100101011100…
…01101110111010001
3111021122000000102012
410302232031313101
541014330143010
62210343232305
7241343540513
oct46256156721
914248000365
105145943505
11220082957a
12bb7448695
1364016a2b1
1436b611bb3
15201b84005
hex132b8ddd1

5145943505 has 8 divisors (see below), whose sum is σ = 6185144232. Its totient is φ = 4110080128.

The previous prime is 5145943493. The next prime is 5145943529. The reversal of 5145943505 is 5053495415.

It can be written as a sum of positive squares in 4 ways, for example, as 285204544 + 4860738961 = 16888^2 + 69719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5145943505 - 216 = 5145877969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830942 + ... + 837111.

It is an arithmetic number, because the mean of its divisors is an integer number (773143029).

Almost surely, 25145943505 is an apocalyptic number.

It is an amenable number.

5145943505 is a deficient number, since it is larger than the sum of its proper divisors (1039200727).

5145943505 is a wasteful number, since it uses less digits than its factorization.

5145943505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668675.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 5145943505 is about 71735.2319644957. The cubic root of 5145943505 is about 1726.4539731742.

The spelling of 5145943505 in words is "five billion, one hundred forty-five million, nine hundred forty-three thousand, five hundred five".

Divisors: 1 5 617 3085 1668053 8340265 1029188701 5145943505