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5145547871 = 192391133131
BaseRepresentation
bin1001100101011001…
…01101010001011111
3111021121020220201002
410302230231101133
541014230012441
62210330540515
7241340302202
oct46254552137
914247226632
105145547871
112200589302
12bb729773b
1364005c1a9
1436b54b939
15201b06b9b
hex132b2d45f

5145547871 has 8 divisors (see below), whose sum is σ = 5439033600. Its totient is φ = 4854328920.

The previous prime is 5145547867. The next prime is 5145547903. The reversal of 5145547871 is 1787455415.

5145547871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5145547871 - 22 = 5145547867 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 (5145547801) 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, 562025 + ... + 571106.

It is an arithmetic number, because the mean of its divisors is an integer number (679879200).

Almost surely, 25145547871 is an apocalyptic number.

5145547871 is a deficient number, since it is larger than the sum of its proper divisors (293485729).

5145547871 is a wasteful number, since it uses less digits than its factorization.

5145547871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133389.

The product of its digits is 784000, while the sum is 47.

The square root of 5145547871 is about 71732.4743125455. The cubic root of 5145547871 is about 1726.4097272294.

The spelling of 5145547871 in words is "five billion, one hundred forty-five million, five hundred forty-seven thousand, eight hundred seventy-one".

Divisors: 1 19 239 4541 1133131 21529489 270818309 5145547871