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85761421183 = 4716131131253
BaseRepresentation
bin100111111011111000…
…1110110111101111111
322012100212020121001201
41033313301312331333
52401114410434213
6103222004520331
76124151023624
oct1176761667577
9265325217051
1085761421183
113340a0a5099
12147553b00a7
138119959889
14421800234b
15236e1cb6dd
hex13f7c76f7f

85761421183 has 8 divisors (see below), whose sum is σ = 87640509888. Its totient is φ = 83884598304.

The previous prime is 85761421181. The next prime is 85761421201. The reversal of 85761421183 is 38112416758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85761421183 - 21 = 85761421181 is a prime.

It is a super-2 number, since 2×857614211832 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 489816 + ... + 641437.

It is an arithmetic number, because the mean of its divisors is an integer number (10955063736).

Almost surely, 285761421183 is an apocalyptic number.

85761421183 is a deficient number, since it is larger than the sum of its proper divisors (1879088705).

85761421183 is a wasteful number, since it uses less digits than its factorization.

85761421183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132913.

The product of its digits is 322560, while the sum is 46.

It can be divided in two parts, 85761 and 421183, that added together give a square (506944 = 7122).

The spelling of 85761421183 in words is "eighty-five billion, seven hundred sixty-one million, four hundred twenty-one thousand, one hundred eighty-three".

Divisors: 1 47 1613 75811 1131253 53168891 1824711089 85761421183