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87486077233 = 181483348493
BaseRepresentation
bin101000101111010010…
…0111001100100110001
322100211001111012101201
41101132210321210301
52413132413432413
6104105054131201
76214662246442
oct1213644714461
9270731435351
1087486077233
1134114678775
1214b56ab0b01
138333059909
14433d0a52c9
1524208009dd
hex145e939931

87486077233 has 4 divisors (see below), whose sum is σ = 87969425908. Its totient is φ = 87002728560.

The previous prime is 87486077219. The next prime is 87486077243. The reversal of 87486077233 is 33277068478.

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 19285710129 + 68200367104 = 138873^2 + 261152^2 .

It is a cyclic number.

It is not a de Polignac number, because 87486077233 - 29 = 87486076721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87486077243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241674066 + ... + 241674427.

It is an arithmetic number, because the mean of its divisors is an integer number (21992356477).

Almost surely, 287486077233 is an apocalyptic number.

It is an amenable number.

87486077233 is a deficient number, since it is larger than the sum of its proper divisors (483348675).

87486077233 is a wasteful number, since it uses less digits than its factorization.

87486077233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483348674.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 87486077233 in words is "eighty-seven billion, four hundred eighty-six million, seventy-seven thousand, two hundred thirty-three".

Divisors: 1 181 483348493 87486077233