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20213142342430 = 2519372875269181
BaseRepresentation
bin1001001100010001111010…
…01010110100101100011110
32122120100122122101100201111
410212020331022310230132
510122133003414424210
6110553442302132234
74154231340031012
oct446107512645436
978510578340644
1020213142342430
116493388995664
12232553858107a
13b3812532219b
144dc46d95c542
15250bcbec788a
hex12623d2b4b1e

20213142342430 has 32 divisors (see below), whose sum is σ = 39333682409760. Its totient is φ = 7452697714560.

The previous prime is 20213142342391. The next prime is 20213142342443. The reversal of 20213142342430 is 3424324131202.

It is a super-2 number, since 2×202131423424302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213142342392 and 20213142342401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437627561 + ... + 1437641620.

It is an arithmetic number, because the mean of its divisors is an integer number (1229177575305).

Almost surely, 220213142342430 is an apocalyptic number.

20213142342430 is a deficient number, since it is larger than the sum of its proper divisors (19120540067330).

20213142342430 is a wasteful number, since it uses less digits than its factorization.

20213142342430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875269244.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20213142342430 its reverse (3424324131202), we get a palindrome (23637466473632).

The spelling of 20213142342430 in words is "twenty trillion, two hundred thirteen billion, one hundred forty-two million, three hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 19 37 38 74 95 185 190 370 703 1406 3515 7030 2875269181 5750538362 14376345905 28752691810 54630114439 106384959697 109260228878 212769919394 273150572195 531924798485 546301144390 1063849596970 2021314234243 4042628468486 10106571171215 20213142342430