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121374132112 = 2473103916209
BaseRepresentation
bin111000100001001110…
…1100100011110010000
3102121021202211202101101
41301002131210132100
53442033234211422
6131431500514144
711524523046322
oct1610235443620
9377252752341
10121374132112
11475245959a2
121b633b4b954
13b5a3aa98ac
145c35a43612
15325593ac27
hex1c42764790

121374132112 has 20 divisors (see below), whose sum is σ = 238383785740. Its totient is φ = 59855735808.

The previous prime is 121374132109. The next prime is 121374132157. The reversal of 121374132112 is 211231473121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91298248336 + 30075883776 = 302156^2 + 173424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51956937 + ... + 51959272.

It is an arithmetic number, because the mean of its divisors is an integer number (11919189287).

Almost surely, 2121374132112 is an apocalyptic number.

It is an amenable number.

121374132112 is a deficient number, since it is larger than the sum of its proper divisors (117009653628).

121374132112 is a wasteful number, since it uses less digits than its factorization.

121374132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103916290 (or 103916284 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The spelling of 121374132112 in words is "one hundred twenty-one billion, three hundred seventy-four million, one hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 73 146 292 584 1168 103916209 207832418 415664836 831329672 1662659344 7585883257 15171766514 30343533028 60687066056 121374132112