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20412505052 = 2243331693719
BaseRepresentation
bin10011000000101011…
…100001101111011100
31221200120201200210122
4103000223201233130
5313301100130202
613213302454112
71321561300352
oct230053415734
957616650718
1020412505052
118725366195
123b58134338
131c03ca7074
14db8dc37d2
157e709e9a2
hex4c0ae1bdc

20412505052 has 24 divisors (see below), whose sum is σ = 35825311200. Its totient is φ = 10176731136.

The previous prime is 20412504977. The next prime is 20412505067. The reversal of 20412505052 is 25050521402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5486849 + ... + 5490567.

It is an arithmetic number, because the mean of its divisors is an integer number (1492721300).

Almost surely, 220412505052 is an apocalyptic number.

It is an amenable number.

20412505052 is a deficient number, since it is larger than the sum of its proper divisors (15412806148).

20412505052 is a wasteful number, since it uses less digits than its factorization.

20412505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325 (or 7323 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 20412505052 in words is "twenty billion, four hundred twelve million, five hundred five thousand, fifty-two".

Divisors: 1 2 4 433 866 1732 3169 3719 6338 7438 12676 14876 1372177 1610327 2744354 3220654 5488708 6441308 11785511 23571022 47142044 5103126263 10206252526 20412505052