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20623473810500 = 2253113749722511
BaseRepresentation
bin1001011000001110001101…
…10101001001110001000100
32201000120210100102200112212
410230013012311021301010
510200343333243414000
6111510143145402552
74225665622665131
oct454070665116104
981016710380485
1020623473810500
116631403349920
122390b73799458
13b67a29215a32
14514277cc9588
1525b6e5906c35
hex12c1c6d49c44

20623473810500 has 48 divisors (see below), whose sum is σ = 49136363797248. Its totient is φ = 7499445020000.

The previous prime is 20623473810481. The next prime is 20623473810529. The reversal of 20623473810500 is 501837432602.

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 15 ways as a sum of consecutive naturals, for example, 1874855756 + ... + 1874866755.

It is an arithmetic number, because the mean of its divisors is an integer number (1023674245776).

Almost surely, 220623473810500 is an apocalyptic number.

20623473810500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20623473810500 is an abundant number, since it is smaller than the sum of its proper divisors (28512889986748).

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

20623473810500 is a wasteful number, since it uses less digits than its factorization.

20623473810500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749722541 (or 3749722529 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20623473810500 in words is "twenty trillion, six hundred twenty-three billion, four hundred seventy-three million, eight hundred ten thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 3749722511 7499445022 14998890044 18748612555 37497225110 41246947621 74994450220 82493895242 93743062775 164987790484 187486125550 206234738105 374972251100 412469476210 468715313875 824938952420 937430627750 1031173690525 1874861255500 2062347381050 4124694762100 5155868452625 10311736905250 20623473810500