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12342515033020 = 22517139261161977
BaseRepresentation
bin1011001110011011011100…
…1110010110001110111100
31121200221012002112120202011
42303212313032112032330
53104204432322024040
642130023443541004
72412501012525424
oct263466716261674
947627162476664
1012342515033020
113a29481a70727
12147408b38a764
136b6b81664863
14309549333484
151660cccb13ea
hexb39b73963bc

12342515033020 has 48 divisors (see below), whose sum is σ = 27641383751520. Its totient is φ = 4613165144064.

The previous prime is 12342515032987. The next prime is 12342515033029. The reversal of 12342515033020 is 2033051524321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342515033029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130533729 + ... + 130628248.

It is an arithmetic number, because the mean of its divisors is an integer number (575862161490).

Almost surely, 212342515033020 is an apocalyptic number.

12342515033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12342515033020 is an abundant number, since it is smaller than the sum of its proper divisors (15298868718500).

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

12342515033020 is a wasteful number, since it uses less digits than its factorization.

12342515033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261162142 (or 261162140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 12342515033020 its reverse (2033051524321), we get a palindrome (14375566557341).

The spelling of 12342515033020 in words is "twelve trillion, three hundred forty-two billion, five hundred fifteen million, thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 139 170 278 340 556 695 1390 2363 2780 4726 9452 11815 23630 47260 261161977 522323954 1044647908 1305809885 2611619770 4439753609 5223239540 8879507218 17759014436 22198768045 36301514803 44397536090 72603029606 88795072180 145206059212 181507574015 363015148030 617125751651 726030296060 1234251503302 2468503006604 3085628758255 6171257516510 12342515033020