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5378493969 = 32768777743
BaseRepresentation
bin1010000001001010…
…10100111000010001
3111212211120210200100
411000211110320101
542003343301334
62245411443013
7250166305302
oct50045247021
914784523610
105378493969
112310024142
1210612b6469
136793b0414
143904687a9
152172bcc99
hex140954e11

5378493969 has 12 divisors (see below), whose sum is σ = 7770046336. Its totient is φ = 3585150072.

The previous prime is 5378493889. The next prime is 5378493971. The reversal of 5378493969 is 9693948735.

5378493969 is a `hidden beast` number, since 53 + 7 + 8 + 493 + 96 + 9 = 666.

It is not a de Polignac number, because 5378493969 - 215 = 5378461201 is a prime.

It is a super-2 number, since 2×53784939692 = 57856394749138745922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5370493969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30312 + ... + 108054.

Almost surely, 25378493969 is an apocalyptic number.

It is an amenable number.

5378493969 is a deficient number, since it is larger than the sum of its proper divisors (2391552367).

5378493969 is a wasteful number, since it uses less digits than its factorization.

5378493969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85436 (or 85433 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The square root of 5378493969 is about 73338.2162927351. The cubic root of 5378493969 is about 1752.0785065606.

The spelling of 5378493969 in words is "five billion, three hundred seventy-eight million, four hundred ninety-three thousand, nine hundred sixty-nine".

Divisors: 1 3 9 7687 23061 69183 77743 233229 699687 597610441 1792831323 5378493969