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20423312414330 = 2572172579539993
BaseRepresentation
bin1001010010011001011000…
…10010000001011001111010
32200022110010202110020010112
410221030230102001121322
510134103420434224310
6111234201252144322
74205351502125300
oct451145422013172
980273122406115
1020423312414330
116564529472361
12235a2120080a2
13b51baa637787
145086ca5d4270
152563cd201705
hex12932c48167a

20423312414330 has 96 divisors (see below), whose sum is σ = 45455629171536. Its totient is φ = 6564735614976.

The previous prime is 20423312414273. The next prime is 20423312414353. The reversal of 20423312414330 is 3341421332402.

It can be written as a sum of positive squares in 8 ways, for example, as 14703566637529 + 5719745776801 = 3834523^2 + 2391599^2 .

It is a super-2 number, since 2×204233124143302 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2629187 + ... + 6910806.

Almost surely, 220423312414330 is an apocalyptic number.

20423312414330 is an abundant number, since it is smaller than the sum of its proper divisors (25032316757206).

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

20423312414330 is a wasteful number, since it uses less digits than its factorization.

20423312414330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540288 (or 9540281 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20423312414330 its reverse (3341421332402), we get a palindrome (23764733746732).

The spelling of 20423312414330 in words is "twenty trillion, four hundred twenty-three billion, three hundred twelve million, four hundred fourteen thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 49 70 85 98 119 170 238 245 257 490 514 595 833 1190 1285 1666 1799 2570 3598 4165 4369 8330 8738 8995 12593 17990 21845 25186 30583 43690 61166 62965 125930 152915 214081 305830 428162 1070405 2140810 9539993 19079986 47699965 66779951 95399930 133559902 162179881 324359762 333899755 467459657 667799510 810899405 934919314 1135259167 1621798810 2270518334 2337298285 2451778201 4674596570 4903556402 5676295835 7946814169 11352591670 12258891005 15893628338 17162447407 24517782010 34324894814 39734070845 41680229417 79468141690 83360458834 85812237035 120137131849 171624474070 208401147085 240274263698 291761605919 416802294170 583523211838 600685659245 1201371318490 1458808029595 2042331241433 2917616059190 4084662482866 10211656207165 20423312414330