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87441039083 = 670611303903
BaseRepresentation
bin101000101101111100…
…1000101111011101011
322100200220202000200002
41101123321011323223
52413034401222313
6104100404533215
76213604366046
oct1213371057353
9270626660602
1087441039083
11340a1206962
1214b439b120b
13832691ab18
1443370ddc5d
15241b8a6058
hex145be45eeb

87441039083 has 4 divisors (see below), whose sum is σ = 87442410048. Its totient is φ = 87439668120.

The previous prime is 87441039073. The next prime is 87441039097. The reversal of 87441039083 is 38093014478.

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

It is a cyclic number.

It is not a de Polignac number, because 87441039083 - 26 = 87441039019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87441039013) 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, 584891 + ... + 719012.

It is an arithmetic number, because the mean of its divisors is an integer number (21860602512).

Almost surely, 287441039083 is an apocalyptic number.

87441039083 is a deficient number, since it is larger than the sum of its proper divisors (1370965).

87441039083 is a wasteful number, since it uses less digits than its factorization.

87441039083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370964.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 87441039083 in words is "eighty-seven billion, four hundred forty-one million, thirty-nine thousand, eighty-three".

Divisors: 1 67061 1303903 87441039083