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14820975845 = 513317355323
BaseRepresentation
bin11011100110110011…
…00010010011100101
31102020220021120201022
431303121202103211
5220323132211340
610450400540525
71033164134054
oct156331422345
942226246638
1014820975845
116316066575
122a57621745
1315227273c0
14a0854239b
155bb2503b5
hex3736624e5

14820975845 has 16 divisors (see below), whose sum is σ = 19771110912. Its totient is φ = 10591663680.

The previous prime is 14820975833. The next prime is 14820975847. The reversal of 14820975845 is 54857902841.

It is not a de Polignac number, because 14820975845 - 222 = 14816781541 is a prime.

It is a super-2 number, since 2×148209758452 (a number of 21 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 (14820975847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3675647 + ... + 3679676.

It is an arithmetic number, because the mean of its divisors is an integer number (1235694432).

Almost surely, 214820975845 is an apocalyptic number.

It is an amenable number.

14820975845 is a deficient number, since it is larger than the sum of its proper divisors (4950135067).

14820975845 is a wasteful number, since it uses less digits than its factorization.

14820975845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355372.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 14820975845 in words is "fourteen billion, eight hundred twenty million, nine hundred seventy-five thousand, eight hundred forty-five".

Divisors: 1 5 13 31 65 155 403 2015 7355323 36776615 95619199 228015013 478095995 1140075065 2964195169 14820975845