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121241025235 = 51129335321313
BaseRepresentation
bin111000011101010000…
…1110011101011010011
3102120221111101020002001
41300322201303223103
53441300200301420
6131410343534431
711521315465531
oct1607241635323
9376844336061
10121241025235
1147466441810
121b5b745a417
13b582343c25
145c220b5151
153248de6b0a
hex1c3a873ad3

121241025235 has 32 divisors (see below), whose sum is σ = 159715862208. Its totient is φ = 87621304320.

The previous prime is 121241025197. The next prime is 121241025253. The reversal of 121241025235 is 532520142121.

It is a happy number.

It is not a de Polignac number, because 121241025235 - 213 = 121241017043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5677939 + ... + 5699251.

It is an arithmetic number, because the mean of its divisors is an integer number (4991120694).

Almost surely, 2121241025235 is an apocalyptic number.

121241025235 is a deficient number, since it is larger than the sum of its proper divisors (38474836973).

121241025235 is a wasteful number, since it uses less digits than its factorization.

121241025235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21975.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 121241025235 its reverse (532520142121), we get a palindrome (653761167356).

The spelling of 121241025235 in words is "one hundred twenty-one billion, two hundred forty-one million, twenty-five thousand, two hundred thirty-five".

Divisors: 1 5 11 55 293 353 1465 1765 3223 3883 16115 19415 21313 103429 106565 234443 517145 1137719 1172215 5688595 6244709 7523489 31223545 37617445 68691799 82758379 343458995 413791895 2204382277 11021911385 24248205047 121241025235