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87516456329 = 535872813039
BaseRepresentation
bin101000110000001100…
…0110010010110001001
322100220011122121200102
41101200120302112021
52413213203100304
6104112101215145
76215511414311
oct1214030622611
9270804577612
1087516456329
113412a837a65
1214b651014b5
138339435303
144343132441
152423301d1e
hex1460632589

87516456329 has 8 divisors (see below), whose sum is σ = 89319646080. Its totient is φ = 85718893936.

The previous prime is 87516456323. The next prime is 87516456341. The reversal of 87516456329 is 92365461578.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87516456329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87516456323) 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, 1375409 + ... + 1437630.

It is an arithmetic number, because the mean of its divisors is an integer number (11164955760).

Almost surely, 287516456329 is an apocalyptic number.

It is an amenable number.

87516456329 is a deficient number, since it is larger than the sum of its proper divisors (1803189751).

87516456329 is a wasteful number, since it uses less digits than its factorization.

87516456329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813679.

The product of its digits is 10886400, while the sum is 56.

The spelling of 87516456329 in words is "eighty-seven billion, five hundred sixteen million, four hundred fifty-six thousand, three hundred twenty-nine".

Divisors: 1 53 587 31111 2813039 149091067 1651253893 87516456329