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213379255455 = 3536747938087
BaseRepresentation
bin1100011010111001100…
…1010000110010011111
3202101202202201021122020
43012232121100302133
511444000042133310
6242005225551223
721262510513452
oct3065631206237
9671682637566
10213379255455
1182548032913
1235430345513
131717714b192
14a482d71499
15583cd3d170
hex31ae650c9f

213379255455 has 32 divisors (see below), whose sum is σ = 342450837504. Its totient is φ = 113454471936.

The previous prime is 213379255433. The next prime is 213379255457. The reversal of 213379255455 is 554552973312.

It is not a de Polignac number, because 213379255455 - 212 = 213379251359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213379255398 and 213379255407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213379255457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26381422 + ... + 26389508.

It is an arithmetic number, because the mean of its divisors is an integer number (10701588672).

Almost surely, 2213379255455 is an apocalyptic number.

213379255455 is a deficient number, since it is larger than the sum of its proper divisors (129071582049).

213379255455 is a wasteful number, since it uses less digits than its factorization.

213379255455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255.

The product of its digits is 5670000, while the sum is 51.

The spelling of 213379255455 in words is "two hundred thirteen billion, three hundred seventy-nine million, two hundred fifty-five thousand, four hundred fifty-five".

Divisors: 1 3 5 15 367 1101 1835 4793 5505 8087 14379 23965 24261 40435 71895 121305 1759031 2967929 5277093 8795155 8903787 14839645 26385465 38760991 44518935 116282973 193804955 581414865 14225283697 42675851091 71126418485 213379255455