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121321103294 = 21923138811331
BaseRepresentation
bin111000011111101001…
…1010001111110111110
3102121011002001121112002
41300333103101332332
53441431200301134
6131422324142302
711523310235336
oct1607723217676
9377132047462
10121321103294
11474a7666626
121b61a237992
13b595b009b1
145c2c99c0c6
153250e6387e
hex1c3f4d1fbe

121321103294 has 16 divisors (see below), whose sum is σ = 199888318080. Its totient is φ = 54969286680.

The previous prime is 121321103273. The next prime is 121321103297. The reversal of 121321103294 is 492301123121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321103297) 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, 69404792 + ... + 69406539.

It is an arithmetic number, because the mean of its divisors is an integer number (12493019880).

Almost surely, 2121321103294 is an apocalyptic number.

121321103294 is a deficient number, since it is larger than the sum of its proper divisors (78567214786).

121321103294 is a wasteful number, since it uses less digits than its factorization.

121321103294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138811375.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 121321103294 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred three thousand, two hundred ninety-four".

Divisors: 1 2 19 23 38 46 437 874 138811331 277622662 2637415289 3192660613 5274830578 6385321226 60660551647 121321103294