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5487006251 = 25247217333
BaseRepresentation
bin1010001110000110…
…10001001000101011
3112011101202210112202
411013003101020223
542214133200001
62304245330415
7252654532526
oct50703211053
915141683482
105487006251
1123662aa011
121091706a0b
13695a1457c
143a0a33bbd
15221aa496b
hex1470d122b

5487006251 has 4 divisors (see below), whose sum is σ = 5487248832. Its totient is φ = 5486763672.

The previous prime is 5487006229. The next prime is 5487006253. The reversal of 5487006251 is 1526007845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5487006251 - 214 = 5486989867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487006253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83420 + ... + 133913.

It is an arithmetic number, because the mean of its divisors is an integer number (1371812208).

Almost surely, 25487006251 is an apocalyptic number.

5487006251 is a deficient number, since it is larger than the sum of its proper divisors (242581).

5487006251 is a wasteful number, since it uses less digits than its factorization.

5487006251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242580.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 5487006251 is about 74074.3292308476. The cubic root of 5487006251 is about 1763.7829969903.

The spelling of 5487006251 in words is "five billion, four hundred eighty-seven million, six thousand, two hundred fifty-one".

Divisors: 1 25247 217333 5487006251