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85761421184 = 27670011103
BaseRepresentation
bin100111111011111000…
…1110110111110000000
322012100212020121001202
41033313301312332000
52401114410434214
6103222004520332
76124151023625
oct1176761667600
9265325217052
1085761421184
113340a0a509a
12147553b00a8
13811995988a
14421800234c
15236e1cb6de
hex13f7c76f80

85761421184 has 16 divisors (see below), whose sum is σ = 170852831520. Its totient is φ = 42880710528.

The previous prime is 85761421181. The next prime is 85761421201. The reversal of 85761421184 is 48112416758.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×857614211843 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85761421181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335005424 + ... + 335005679.

It is an arithmetic number, because the mean of its divisors is an integer number (10678301970).

Almost surely, 285761421184 is an apocalyptic number.

It is an amenable number.

85761421184 is a deficient number, since it is larger than the sum of its proper divisors (85091410336).

85761421184 is an equidigital number, since it uses as much as digits as its factorization.

85761421184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670011117 (or 670011105 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The spelling of 85761421184 in words is "eighty-five billion, seven hundred sixty-one million, four hundred twenty-one thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 670011103 1340022206 2680044412 5360088824 10720177648 21440355296 42880710592 85761421184