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121230330102 = 2347106905053
BaseRepresentation
bin111000011100111100…
…1000000100011110110
3102120220202020212010000
41300321321000203312
53441234431030402
6131405322412130
711521125542430
oct1607171004366
9376822225100
10121230330102
11474603a7362
121b5b3961046
13b58006ab4b
145c208cd650
153247ed2c1c
hex1c39e408f6

121230330102 has 40 divisors (see below), whose sum is σ = 310452276816. Its totient is φ = 34637236848.

The previous prime is 121230330083. The next prime is 121230330157. The reversal of 121230330102 is 201033032121.

121230330102 is a `hidden beast` number, since 1 + 2 + 1 + 230 + 330 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53451393 + ... + 53453660.

Almost surely, 2121230330102 is an apocalyptic number.

121230330102 is an abundant number, since it is smaller than the sum of its proper divisors (189221946714).

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

121230330102 is a wasteful number, since it uses less digits than its factorization.

121230330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106905074 (or 106905065 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121230330102 its reverse (201033032121), we get a palindrome (322263362223).

The spelling of 121230330102 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 106905053 213810106 320715159 641430318 748335371 962145477 1496670742 1924290954 2245006113 2886436431 4490012226 5772872862 6735018339 8659309293 13470036678 17318618586 20205055017 40410110034 60615165051 121230330102