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5261634287 = 71357820157
BaseRepresentation
bin1001110011001111…
…00010101011101111
3111120200200201022222
410321213202223233
541233434244122
62230035025555
7244250103440
oct47147425357
914520621288
105261634287
112260067798
12102a13b2bb
1365b115990
1437cb292c7
1520bdd7b42
hex1399e2aef

5261634287 has 8 divisors (see below), whose sum is σ = 6475857696. Its totient is φ = 4163051232.

The previous prime is 5261634281. The next prime is 5261634293. The reversal of 5261634287 is 7824361625.

It is an interprime number because it is at equal distance from previous prime (5261634281) and next prime (5261634293).

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 5261634287 - 24 = 5261634271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261634281) 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, 28909988 + ... + 28910169.

It is an arithmetic number, because the mean of its divisors is an integer number (809482212).

Almost surely, 25261634287 is an apocalyptic number.

5261634287 is a deficient number, since it is larger than the sum of its proper divisors (1214223409).

5261634287 is a wasteful number, since it uses less digits than its factorization.

5261634287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57820177.

The product of its digits is 483840, while the sum is 44.

The square root of 5261634287 is about 72537.1235092763. The cubic root of 5261634287 is about 1739.2962194307.

The spelling of 5261634287 in words is "five billion, two hundred sixty-one million, six hundred thirty-four thousand, two hundred eighty-seven".

Divisors: 1 7 13 91 57820157 404741099 751662041 5261634287