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121284274707 = 3259228407297
BaseRepresentation
bin111000011110100011…
…0110010101000010011
3102121001111202112012100
41300331012302220103
53441342233242312
6131414530531443
711522352216351
oct1607506625023
9377044675170
10121284274707
11474888a1782
121b609a36b83
13b58b2a782b
145c27b327d1
15324cadb5dc
hex1c3d1b2a13

121284274707 has 12 divisors (see below), whose sum is σ = 178157692440. Its totient is φ = 79485739008.

The previous prime is 121284274687. The next prime is 121284274711. The reversal of 121284274707 is 707472482121.

121284274707 is a `hidden beast` number, since 1 + 212 + 8 + 427 + 4 + 7 + 0 + 7 = 666.

It is not a de Polignac number, because 121284274707 - 28 = 121284274451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121284274757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114203118 + ... + 114204179.

It is an arithmetic number, because the mean of its divisors is an integer number (14846474370).

Almost surely, 2121284274707 is an apocalyptic number.

121284274707 is a deficient number, since it is larger than the sum of its proper divisors (56873417733).

121284274707 is a wasteful number, since it uses less digits than its factorization.

121284274707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228407362 (or 228407359 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The spelling of 121284274707 in words is "one hundred twenty-one billion, two hundred eighty-four million, two hundred seventy-four thousand, seven hundred seven".

Divisors: 1 3 9 59 177 531 228407297 685221891 2055665673 13476030523 40428091569 121284274707