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87055273371 = 3118929640883
BaseRepresentation
bin101000100010011100…
…1100000110110011011
322022201000212002121010
41101010321200312123
52411242122221441
6103554224345003
76201211420503
oct1210471406633
9268630762533
1087055273371
1133a13483420
1214a56775163
138294a214a1
1442dbba2a03
1523e7aa5116
hex1444e60d9b

87055273371 has 16 divisors (see below), whose sum is σ = 128048618880. Its totient is φ = 52167952320.

The previous prime is 87055273321. The next prime is 87055273421. The reversal of 87055273371 is 17337255078.

It is an interprime number because it is at equal distance from previous prime (87055273321) and next prime (87055273421).

It is not a de Polignac number, because 87055273371 - 214 = 87055256987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87055273371.

It is not an unprimeable number, because it can be changed into a prime (87055273321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817505 + ... + 14823378.

It is an arithmetic number, because the mean of its divisors is an integer number (8003038680).

Almost surely, 287055273371 is an apocalyptic number.

87055273371 is a deficient number, since it is larger than the sum of its proper divisors (40993345509).

87055273371 is a wasteful number, since it uses less digits than its factorization.

87055273371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29640986.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 87055273371 in words is "eighty-seven billion, fifty-five million, two hundred seventy-three thousand, three hundred seventy-one".

Divisors: 1 3 11 33 89 267 979 2937 29640883 88922649 326049713 978149139 2638038587 7914115761 29018424457 87055273371