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202102230120230 = 251125313163239417
BaseRepresentation
bin101101111100111110010111…
…101000100111011100100110
3222111120210011220111002121202
4231330332113220213130212
5202442220331402321410
61553500252140442502
760366255444436406
oct5574762750473446
9874523156432552
10202102230120230
115943a090121600
121a800923b49432
1388a020a37bc4b
1437c9b2b7b2806
151857221e72ca5
hexb7cf97a27726

202102230120230 has 96 divisors (see below), whose sum is σ = 407438982008352. Its totient is φ = 72099304808960.

The previous prime is 202102230120229. The next prime is 202102230120253. The reversal of 202102230120230 is 32021032201202.

It is a happy number.

It is a super-2 number, since 2×2021022301202302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844023482 + ... + 844262898.

It is an arithmetic number, because the mean of its divisors is an integer number (4244156062587).

Almost surely, 2202102230120230 is an apocalyptic number.

202102230120230 is an abundant number, since it is smaller than the sum of its proper divisors (205336751888122).

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

202102230120230 is a wasteful number, since it uses less digits than its factorization.

202102230120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252662 (or 252651 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202102230120230 its reverse (32021032201202), we get a palindrome (234123262321432).

The spelling of 202102230120230 in words is "two hundred two trillion, one hundred two billion, two hundred thirty million, one hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 53 55 106 110 121 242 265 530 583 605 1166 1210 2915 5830 6413 12826 13163 26326 32065 64130 65815 131630 144793 239417 289586 478834 697639 723965 1197085 1395278 1447930 1592723 2394170 2633587 3185446 3488195 5267174 6976390 7674029 7963615 12689101 13167935 15348058 15927230 25378202 26335870 28969457 38370145 57938914 63445505 76740290 84414319 126891010 139580111 144847285 168828638 279160222 289694570 422071595 697900555 844143190 1395801110 1535381221 3070762442 3151445971 6302891942 7676906105 15353812210 15757229855 31514459710 34665905681 69331811362 167026636463 173329528405 334053272926 346659056810 381324962491 762649924982 835133182315 1670266364630 1837293001093 1906624812455 3674586002186 3813249624910 9186465005465 18372930010930 20210223012023 40420446024046 101051115060115 202102230120230