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20413205346326 = 21317219142983661
BaseRepresentation
bin1001010010000110100011…
…10110100111100000010110
32200021111001101012222022112
410221003101312213200112
510133422221032040301
6111225410322431022
74204543154352602
oct451032166474026
980244041188275
1020413205346326
1165602122795a1
122358271202472
13b50c59700670
1450800c160502
15255edac449bb
hex1290d1da7816

20413205346326 has 48 divisors (see below), whose sum is σ = 36872626756560. Its totient is φ = 8400575992320.

The previous prime is 20413205346301. The next prime is 20413205346349. The reversal of 20413205346326 is 62364350231402.

It is a super-2 number, since 2×204132053463262 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

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, 71349065 + ... + 71634596.

It is an arithmetic number, because the mean of its divisors is an integer number (768179724095).

Almost surely, 220413205346326 is an apocalyptic number.

20413205346326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20413205346326 is a deficient number, since it is larger than the sum of its proper divisors (16459421410234).

20413205346326 is a wasteful number, since it uses less digits than its factorization.

20413205346326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142983729 (or 142983712 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 20413205346326 its reverse (62364350231402), we get a palindrome (82777555577728).

The spelling of 20413205346326 in words is "twenty trillion, four hundred thirteen billion, two hundred five million, three hundred forty-six thousand, three hundred twenty-six".

Divisors: 1 2 13 17 19 26 34 38 221 247 289 323 442 494 578 646 3757 4199 5491 7514 8398 10982 71383 142766 142983661 285967322 1858787593 2430722237 2716689559 3717575186 4861444474 5433379118 31599389081 35316964267 41322278029 46183722503 63198778162 70633928534 82644556058 92367445006 537189614377 600388392539 785123282551 1074379228754 1200776785078 1570246565102 10206602673163 20413205346326