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1992236963678 = 213439174543277
BaseRepresentation
bin11100111111011010100…
…100111001011101011110
321001110022102022202010022
4130333122210321131132
5230120100130314203
64123115424112142
7263635326533063
oct34773244713536
97043272282108
101992236963678
116a89a2912795
12282138165652
13115b3714b060
146c5d386ac6a
1536c516dda38
hex1cfda93975e

1992236963678 has 16 divisors (see below), whose sum is σ = 3225559777440. Its totient is φ = 917399458656.

The previous prime is 1992236963677. The next prime is 1992236963687. The reversal of 1992236963678 is 8763696322991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992236963671) 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, 87260225 + ... + 87283052.

It is an arithmetic number, because the mean of its divisors is an integer number (201597486090).

Almost surely, 21992236963678 is an apocalyptic number.

1992236963678 is a deficient number, since it is larger than the sum of its proper divisors (1233322813762).

1992236963678 is a wasteful number, since it uses less digits than its factorization.

1992236963678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174543731.

The product of its digits is 317447424, while the sum is 71.

The spelling of 1992236963678 in words is "one trillion, nine hundred ninety-two billion, two hundred thirty-six million, nine hundred sixty-three thousand, six hundred seventy-eight".

Divisors: 1 2 13 26 439 878 5707 11414 174543277 349086554 2269062601 4538125202 76624498603 153248997206 996118481839 1992236963678