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202134230430 = 23511255684361
BaseRepresentation
bin1011110001000000100…
…0111001010110011110
3201022202002012211020220
42330100020321112132
511302432330333210
6232505330022210
720414034416106
oct2742010712636
9638662184226
10202134230430
11787a755a100
1233212417966
13160a4533712
149ad771c206
1553d09edc70
hex2f1023959e

202134230430 has 48 divisors (see below), whose sum is σ = 533233450512. Its totient is φ = 49002236800.

The previous prime is 202134230393. The next prime is 202134230479. The reversal of 202134230430 is 34032431202.

It is a super-2 number, since 2×2021342304302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202134230430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27838551 + ... + 27845810.

It is an arithmetic number, because the mean of its divisors is an integer number (11109030219).

Almost surely, 2202134230430 is an apocalyptic number.

202134230430 is an abundant number, since it is smaller than the sum of its proper divisors (331099220082).

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

202134230430 is a wasteful number, since it uses less digits than its factorization.

202134230430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55684393 (or 55684382 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 202134230430 its reverse (34032431202), we get a palindrome (236166661632).

The spelling of 202134230430 in words is "two hundred two billion, one hundred thirty-four million, two hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 55684361 111368722 167053083 278421805 334106166 556843610 612527971 835265415 1225055942 1670530830 1837583913 3062639855 3675167826 6125279710 6737807681 9187919565 13475615362 18375839130 20213423043 33689038405 40426846086 67378076810 101067115215 202134230430