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21148159712092 = 227755291418289
BaseRepresentation
bin1001100111011111100001…
…00011000001101101011100
32202212202002121112010120221
410303233300203001231130
510232442412341241332
6112551155213251124
74311622053400210
oct463576043015534
982782077463527
1021148159712092
11681397a90a586
1224567a3a93aa4
13ba53557a406a
1453180d892940
1526a1a3866297
hex133bf08c1b5c

21148159712092 has 12 divisors (see below), whose sum is σ = 42296319424240. Its totient is φ = 9063497019456.

The previous prime is 21148159712083. The next prime is 21148159712123. The reversal of 21148159712092 is 29021795184112.

21148159712092 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377645709117 + ... + 377645709172.

Almost surely, 221148159712092 is an apocalyptic number.

It is an amenable number.

21148159712092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21148159712092 is a wasteful number, since it uses less digits than its factorization.

21148159712092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755291418300 (or 755291418298 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 21148159712092 in words is "twenty-one trillion, one hundred forty-eight billion, one hundred fifty-nine million, seven hundred twelve thousand, ninety-two".

Divisors: 1 2 4 7 14 28 755291418289 1510582836578 3021165673156 5287039928023 10574079856046 21148159712092