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20013066075642 = 2343127610787587
BaseRepresentation
bin1001000110011101001111…
…01100011011110111111010
32121212020012222120220212020
410203032213230123313322
510110343224403410032
6110321513045255310
74133616301566603
oct443164754336772
977766188526766
1020013066075642
116416548073062
1222b27bb404536
13b222bb27bc43
144d28cd6a6daa
1524a8bbedab2c
hex1233a7b1bdfa

20013066075642 has 32 divisors (see below), whose sum is σ = 41279468347392. Its totient is φ = 6464575810224.

The previous prime is 20013066075593. The next prime is 20013066075671. The reversal of 20013066075642 is 24657066031002.

It is a junction number, because it is equal to n+sod(n) for n = 20013066075594 and 20013066075603.

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, 305361028 + ... + 305426559.

It is an arithmetic number, because the mean of its divisors is an integer number (1289983385856).

Almost surely, 220013066075642 is an apocalyptic number.

20013066075642 is an abundant number, since it is smaller than the sum of its proper divisors (21266402271750).

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

20013066075642 is a wasteful number, since it uses less digits than its factorization.

20013066075642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610787762.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20013066075642 in words is "twenty trillion, thirteen billion, sixty-six million, seventy-five thousand, six hundred forty-two".

Divisors: 1 2 3 6 43 86 127 129 254 258 381 762 5461 10922 16383 32766 610787587 1221575174 1832362761 3664725522 26263866241 52527732482 77570023549 78791598723 155140047098 157583197446 232710070647 465420141294 3335511012607 6671022025214 10006533037821 20013066075642