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87070434971716 = 22726665112
BaseRepresentation
bin10011110011000010101010…
…010110001101000001000100
3102102021212000022122021220101
4103303002222112031001010
542403030222323043331
6505103334452013444
724224426355555400
oct2363025226150104
9372255008567811
1087070434971716
112581a400690209
129922a00601284
133977925a6c6b1
1417703354ac100
15a0ed7da19061
hex4f30aa58d044

87070434971716 has 27 divisors (see below), whose sum is σ = 177250794273567. Its totient is φ = 37315844715240.

The previous prime is 87070434971711. The next prime is 87070434971719. The reversal of 87070434971716 is 61717943407078.

The square root of 87070434971716 is 9331154.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (87070434971711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 130302901 + ... + 130969411.

Almost surely, 287070434971716 is an apocalyptic number.

87070434971716 is the 9331154-th square number.

It is an amenable number.

87070434971716 is an abundant number, since it is smaller than the sum of its proper divisors (90180359301851).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87070434971716 is an frugal number, since it uses more digits than its factorization.

87070434971716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333040 (or 666520 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 87070434971716 in words is "eighty-seven trillion, seventy billion, four hundred thirty-four million, nine hundred seventy-one thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 666511 1333022 2666044 4665577 9331154 18662308 32659039 65318078 130636156 444236913121 888473826242 1776947652484 3109658391847 6219316783694 12438633567388 21767608742929 43535217485858 87070434971716