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213212343301 = 19291544325057
BaseRepresentation
bin1100011010010001110…
…0100010110000000101
3202101100010122021012121
43012210130202300011
511443124324441201
6241540504245541
721255413005216
oct3064434426005
9671303567177
10213212343301
118247189a291
12353a44708b1
131714b6aa4a9
14a468b2340d
15582d36c9a1
hex31a4722c05

213212343301 has 16 divisors (see below), whose sum is σ = 232197451200. Its totient is φ = 195005035008.

The previous prime is 213212343283. The next prime is 213212343371. The reversal of 213212343301 is 103343212312.

It is not a de Polignac number, because 213212343301 - 25 = 213212343269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213212343371) 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, 8496565 + ... + 8521621.

It is an arithmetic number, because the mean of its divisors is an integer number (14512340700).

Almost surely, 2213212343301 is an apocalyptic number.

It is an amenable number.

213212343301 is a deficient number, since it is larger than the sum of its proper divisors (18985107899).

213212343301 is a wasteful number, since it uses less digits than its factorization.

213212343301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40548.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213212343301 its reverse (103343212312), we get a palindrome (316555555613).

The spelling of 213212343301 in words is "two hundred thirteen billion, two hundred twelve million, three hundred forty-three thousand, three hundred one".

Divisors: 1 19 29 551 15443 25057 293417 447847 476083 726653 8509093 13806407 386955251 7352149769 11221702279 213212343301