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121102104142 = 286636989617
BaseRepresentation
bin111000011001000111…
…1110111011001001110
3102120120210222022011101
41300302033313121032
53441004114313032
6131344502213314
711515010621005
oct1606217673116
9376523868141
10121102104142
11473a4a87298
121b578a2423a
13b55c6239b6
145c0b871c3c
15323bb04de7
hex1c323f764e

121102104142 has 8 divisors (see below), whose sum is σ = 181674151056. Its totient is φ = 60544053792.

The previous prime is 121102104139. The next prime is 121102104157. The reversal of 121102104142 is 241401201121.

It is a happy number.

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

It is a congruent number.

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, 3477483 + ... + 3512134.

It is an arithmetic number, because the mean of its divisors is an integer number (22709268882).

Almost surely, 2121102104142 is an apocalyptic number.

121102104142 is a deficient number, since it is larger than the sum of its proper divisors (60572046914).

121102104142 is an equidigital number, since it uses as much as digits as its factorization.

121102104142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998282.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121102104142 its reverse (241401201121), we get a palindrome (362503305263).

The spelling of 121102104142 in words is "one hundred twenty-one billion, one hundred two million, one hundred four thousand, one hundred forty-two".

Divisors: 1 2 8663 17326 6989617 13979234 60551052071 121102104142