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5187435869 = 71173391909
BaseRepresentation
bin1001101010011000…
…11111110101011101
3111101112002001020102
410311030133311131
541110440421434
62214424430445
7242356322510
oct46514376535
914345061212
105187435869
112222199390
121009318425
136489371a5
14372d32d77
1520562d07e
hex13531fd5d

5187435869 has 16 divisors (see below), whose sum is σ = 6476346240. Its totient is φ = 4036599360.

The previous prime is 5187435839. The next prime is 5187435887. The reversal of 5187435869 is 9685347815.

It is a cyclic number.

It is not a de Polignac number, because 5187435869 - 224 = 5170658653 is a prime.

It is a super-2 number, since 2×51874358692 = 53818981789975570322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187435829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10487 + ... + 102395.

It is an arithmetic number, because the mean of its divisors is an integer number (404771640).

Almost surely, 25187435869 is an apocalyptic number.

It is an amenable number.

5187435869 is a deficient number, since it is larger than the sum of its proper divisors (1288910371).

5187435869 is a wasteful number, since it uses less digits than its factorization.

5187435869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92660.

The product of its digits is 7257600, while the sum is 56.

The square root of 5187435869 is about 72023.8562491623. The cubic root of 5187435869 is about 1731.0817595395.

The spelling of 5187435869 in words is "five billion, one hundred eighty-seven million, four hundred thirty-five thousand, eight hundred sixty-nine".

Divisors: 1 7 11 77 733 5131 8063 56441 91909 643363 1010999 7076993 67369297 471585079 741062267 5187435869