Search a number
-
+
87830265601 = 136756174277
BaseRepresentation
bin101000111001100010…
…1110111111100000001
322101201001010210002001
41101303011313330001
52414334021444401
6104203151224001
76226341640201
oct1216305677401
9271631123061
1087830265601
1134280993571
1215032218001
138389459780
144372a9c401
152440b3c601
hex1473177f01

87830265601 has 4 divisors (see below), whose sum is σ = 94586439892. Its totient is φ = 81074091312.

The previous prime is 87830265599. The next prime is 87830265637. The reversal of 87830265601 is 10656203878.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12466839025 + 75363426576 = 111655^2 + 274524^2 .

It is a cyclic number.

It is not a de Polignac number, because 87830265601 - 21 = 87830265599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87830265661) 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 3 ways as a sum of consecutive naturals, for example, 3378087126 + ... + 3378087151.

It is an arithmetic number, because the mean of its divisors is an integer number (23646609973).

Almost surely, 287830265601 is an apocalyptic number.

It is an amenable number.

87830265601 is a deficient number, since it is larger than the sum of its proper divisors (6756174291).

87830265601 is a wasteful number, since it uses less digits than its factorization.

87830265601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756174290.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 87830265601 in words is "eighty-seven billion, eight hundred thirty million, two hundred sixty-five thousand, six hundred one".

Divisors: 1 13 6756174277 87830265601