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20552532436230 = 2354356328298749
BaseRepresentation
bin1001010110001010000100…
…11001010010010100000110
32200202210200022201110221120
410223011002121102110012
510143213041300424410
6111413411505454410
74220604625156104
oct453050231222406
980683608643846
1020552532436230
116604309836393
12237b275641406
13b61131a497b2
14510a68266c74
15259942845570
hex12b142652506

20552532436230 has 64 divisors (see below), whose sum is σ = 50562848160000. Its totient is φ = 5343709182336.

The previous prime is 20552532436157. The next prime is 20552532436231. The reversal of 20552532436230 is 3263423525502.

It is a super-2 number, since 2×205525324362302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552532436231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13423105 + ... + 14875644.

It is an arithmetic number, because the mean of its divisors is an integer number (790044502500).

Almost surely, 220552532436230 is an apocalyptic number.

20552532436230 is an abundant number, since it is smaller than the sum of its proper divisors (30010315723770).

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

20552532436230 is a wasteful number, since it uses less digits than its factorization.

20552532436230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28299365.

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 20552532436230 in words is "twenty trillion, five hundred fifty-two billion, five hundred thirty-two million, four hundred thirty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 563 645 1126 1290 1689 2815 3378 5630 8445 16890 24209 48418 72627 121045 145254 242090 363135 726270 28298749 56597498 84896247 141493745 169792494 282987490 424481235 848962470 1216846207 2433692414 3650538621 6084231035 7301077242 12168462070 15932195687 18252693105 31864391374 36505386210 47796587061 79660978435 95593174122 159321956870 238982935305 477965870610 685084414541 1370168829082 2055253243623 3425422072705 4110506487246 6850844145410 10276266218115 20552532436230