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87369103469 = 10323318231997
BaseRepresentation
bin101000101011110011…
…0101011100001101101
322100111220101022120002
41101113212223201231
52412412442302334
6104045315034045
76212042061164
oct1212746534155
9270456338502
1087369103469
113406464363a
1214b2389b925
138314a5227b
14432b7363db
1524153e6b7e
hex14579ab86d

87369103469 has 16 divisors (see below), whose sum is σ = 88688950272. Its totient is φ = 86059152768.

The previous prime is 87369103441. The next prime is 87369103513. The reversal of 87369103469 is 96430196378.

It is a cyclic number.

It is not a de Polignac number, because 87369103469 - 216 = 87369037933 is a prime.

It is a super-3 number, since 3×873691034693 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87369103429) 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, 43749179 + ... + 43751175.

It is an arithmetic number, because the mean of its divisors is an integer number (5543059392).

Almost surely, 287369103469 is an apocalyptic number.

It is an amenable number.

87369103469 is a deficient number, since it is larger than the sum of its proper divisors (1319846803).

87369103469 is a wasteful number, since it uses less digits than its factorization.

87369103469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 87369103469 in words is "eighty-seven billion, three hundred sixty-nine million, one hundred three thousand, four hundred sixty-nine".

Divisors: 1 103 233 1823 1997 23999 187769 205691 424759 465301 3640531 43750177 47926003 374974693 848243723 87369103469