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5187051687 = 34340209703
BaseRepresentation
bin1001101010010110…
…00010000010100111
3111101111100112020110
410311023002002213
541110341123222
62214412304103
7242353132446
oct46513020247
914344315213
105187051687
112221a56784
121009172033
1364883136c
14372c72d5d
152055a430c
hex1352c20a7

5187051687 has 8 divisors (see below), whose sum is σ = 7076907904. Its totient is φ = 3377614968.

The previous prime is 5187051677. The next prime is 5187051697. The reversal of 5187051687 is 7861507815.

It is an interprime number because it is at equal distance from previous prime (5187051677) and next prime (5187051697).

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

It is not a de Polignac number, because 5187051687 - 24 = 5187051671 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 (5187051637) 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, 20104723 + ... + 20104980.

It is an arithmetic number, because the mean of its divisors is an integer number (884613488).

Almost surely, 25187051687 is an apocalyptic number.

5187051687 is a deficient number, since it is larger than the sum of its proper divisors (1889856217).

5187051687 is a wasteful number, since it uses less digits than its factorization.

5187051687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209749.

The product of its (nonzero) digits is 470400, while the sum is 48.

The square root of 5187051687 is about 72021.1891529153. The cubic root of 5187051687 is about 1731.0390237905.

The spelling of 5187051687 in words is "five billion, one hundred eighty-seven million, fifty-one thousand, six hundred eighty-seven".

Divisors: 1 3 43 129 40209703 120629109 1729017229 5187051687