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203230212222 = 231713773319841
BaseRepresentation
bin1011110101000101110…
…1101111000001111110
3201102120110111110122010
42331101131233001332
511312203413242342
6233210200432050
720453143205232
oct2752135570176
9642513443563
10203230212222
117920a17a484
1233479478626
131621a60845b
149b9d0d25c2
155446d3e29c
hex2f5176f07e

203230212222 has 64 divisors (see below), whose sum is σ = 434124546624. Its totient is φ = 63203573760.

The previous prime is 203230212217. The next prime is 203230212223. The reversal of 203230212222 is 222212032302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10233022 + ... + 10252862.

It is an arithmetic number, because the mean of its divisors is an integer number (6783196041).

Almost surely, 2203230212222 is an apocalyptic number.

203230212222 is an abundant number, since it is smaller than the sum of its proper divisors (230894334402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203230212222 is a wasteful number, since it uses less digits than its factorization.

203230212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20733.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203230212222 its reverse (222212032302), we get a palindrome (425442244524).

The spelling of 203230212222 in words is "two hundred three billion, two hundred thirty million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 137 274 411 733 822 1466 2199 2329 4398 4658 6987 12461 13974 19841 24922 37383 39682 59523 74766 100421 119046 200842 301263 337297 602526 674594 1011891 1707157 2023782 2718217 3414314 5121471 5436434 8154651 10242942 14543453 16309302 29086906 43630359 46209689 87260718 92419378 138629067 247238701 277258134 494477402 741716103 1483432206 1992453061 3984906122 5977359183 11954718366 33871702037 67743404074 101615106111 203230212222