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121011719264 = 25191314715139
BaseRepresentation
bin111000010110011011…
…1000100110001100000
3102120100111220021102022
41300230313010301200
53440313000004024
6131331513041012
711512532433152
oct1605467046140
9376314807368
10121011719264
1147358a62847
121b5526b6168
13b546998817
145bdd864ad2
153233bee35e
hex1c2cdc4c60

121011719264 has 48 divisors (see below), whose sum is σ = 250816507200. Its totient is φ = 57313194624.

The previous prime is 121011719239. The next prime is 121011719267. The reversal of 121011719264 is 462917110121.

121011719264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011719267) 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, 7985807 + ... + 8000945.

It is an arithmetic number, because the mean of its divisors is an integer number (5225343900).

Almost surely, 2121011719264 is an apocalyptic number.

It is an amenable number.

121011719264 is an abundant number, since it is smaller than the sum of its proper divisors (129804787936).

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

121011719264 is a wasteful number, since it uses less digits than its factorization.

121011719264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315 (or 28307 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

Adding to 121011719264 its reverse (462917110121), we get a palindrome (583928829385).

The spelling of 121011719264 in words is "one hundred twenty-one billion, eleven million, seven hundred nineteen thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 13147 15139 26294 30278 52588 60556 105176 121112 210352 242224 249793 287641 420704 484448 499586 575282 999172 1150564 1998344 2301128 3996688 4602256 7993376 9204512 199032433 398064866 796129732 1592259464 3184518928 3781616227 6369037856 7563232454 15126464908 30252929816 60505859632 121011719264