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20492458768767 = 331220349019019
BaseRepresentation
bin1001010100011010001011…
…01110011011100101111111
32200120001121200111222102210
410222031011232123211333
510141222023421100032
6111330034450351503
74213350142341336
oct452150556334577
980501550458383
1020492458768767
116590891812927
12236b6aab8b593
13b58579c686bb
1450bba9ab8d1d
152580c88e02cc
hex12a345b9b97f

20492458768767 has 8 divisors (see below), whose sum is σ = 28204674434560. Its totient is φ = 13220941141080.

The previous prime is 20492458768753. The next prime is 20492458768877. The reversal of 20492458768767 is 76786785429402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20492458768767 - 210 = 20492458767743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492458778767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110174509417 + ... + 110174509602.

It is an arithmetic number, because the mean of its divisors is an integer number (3525584304320).

Almost surely, 220492458768767 is an apocalyptic number.

20492458768767 is a deficient number, since it is larger than the sum of its proper divisors (7712215665793).

20492458768767 is a wasteful number, since it uses less digits than its factorization.

20492458768767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220349019053.

The product of its (nonzero) digits is 2275983360, while the sum is 75.

The spelling of 20492458768767 in words is "twenty trillion, four hundred ninety-two billion, four hundred fifty-eight million, seven hundred sixty-eight thousand, seven hundred sixty-seven".

Divisors: 1 3 31 93 220349019019 661047057057 6830819589589 20492458768767