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213112215102005 = 51673731877364543
BaseRepresentation
bin110000011101001100001101…
…111000001110001000110101
31000221120022212200122101220222
4300131030031320032020311
5210413112304031231010
62033130222225104125
762613564233605052
oct6035141570161065
91027508780571828
10213112215102005
11619a442366806a
121ba9a6a9788045
1391bb51b33272b
143a8a9870bc029
151998810020355
hexc1d30de0e235

213112215102005 has 32 divisors (see below), whose sum is σ = 258093862354944. Its totient is φ = 168924026670336.

The previous prime is 213112215101999. The next prime is 213112215102023. The reversal of 213112215102005 is 500201512211312.

It is a cyclic number.

It is not a de Polignac number, because 213112215102005 - 26 = 213112215101941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584418764 + ... + 584783306.

It is an arithmetic number, because the mean of its divisors is an integer number (8065433198592).

Almost surely, 2213112215102005 is an apocalyptic number.

It is an amenable number.

213112215102005 is a deficient number, since it is larger than the sum of its proper divisors (44981647252939).

213112215102005 is a wasteful number, since it uses less digits than its factorization.

213112215102005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366965.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 213112215102005 its reverse (500201512211312), we get a palindrome (713313727313317).

The spelling of 213112215102005 in words is "two hundred thirteen trillion, one hundred twelve billion, two hundred fifteen million, one hundred two thousand, five".

Divisors: 1 5 167 373 835 1865 1877 9385 62291 311455 313459 364543 700121 1567295 1822715 3500605 60878681 116920207 135974539 304393405 584601035 679872695 684247211 3421236055 22707748013 113538740065 114269284237 255224209703 571346421185 1276121048515 42622443020401 213112215102005