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90862349727 = 3191594076311
BaseRepresentation
bin101010010011111010…
…0010110110110011111
322200112100112121120010
41110213310112312133
52442041230142402
6105424103254303
76364440141462
oct1244764266637
9280470477503
1090862349727
1135597478216
121573974a393
1387506957a6
14457d6572d9
15256be1ca6c
hex1527d16d9f

90862349727 has 8 divisors (see below), whose sum is σ = 127526104960. Its totient is φ = 57386747160.

The previous prime is 90862349693. The next prime is 90862349741. The reversal of 90862349727 is 72794326809.

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

It is not a de Polignac number, because 90862349727 - 220 = 90861301151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1594076311 = 90862349727 / (9 + 0 + 8 + 6 + 2 + 3 + 4 + 9 + 7 + 2 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90862349797) 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, 797038099 + ... + 797038212.

It is an arithmetic number, because the mean of its divisors is an integer number (15940763120).

Almost surely, 290862349727 is an apocalyptic number.

90862349727 is a deficient number, since it is larger than the sum of its proper divisors (36663755233).

90862349727 is a wasteful number, since it uses less digits than its factorization.

90862349727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594076333.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 90862349727 in words is "ninety billion, eight hundred sixty-two million, three hundred forty-nine thousand, seven hundred twenty-seven".

Divisors: 1 3 19 57 1594076311 4782228933 30287449909 90862349727