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121303655441 = 3831385922853
BaseRepresentation
bin111000011111001000…
…0101110010000010001
3102121002212020011120022
41300332100232100101
53441412213433231
6131420502153225
711523006026063
oct1607620562021
9377085204508
10121303655441
1147498829811
121b614422815
13b592302117
145c2a539733
15324e668c7b
hex1c3e42e411

121303655441 has 8 divisors (see below), whose sum is σ = 121634472960. Its totient is φ = 120972912112.

The previous prime is 121303655437. The next prime is 121303655443. The reversal of 121303655441 is 144556303121.

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

It is a cyclic number.

It is not a de Polignac number, because 121303655441 - 22 = 121303655437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121303655443) 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, 5296571 + ... + 5319423.

It is an arithmetic number, because the mean of its divisors is an integer number (15204309120).

Almost surely, 2121303655441 is an apocalyptic number.

It is an amenable number.

121303655441 is a deficient number, since it is larger than the sum of its proper divisors (330817519).

121303655441 is a wasteful number, since it uses less digits than its factorization.

121303655441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37095.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 121303655441 its reverse (144556303121), we get a palindrome (265859958562).

The spelling of 121303655441 in words is "one hundred twenty-one billion, three hundred three million, six hundred fifty-five thousand, four hundred forty-one".

Divisors: 1 383 13859 22853 5307997 8752699 316719727 121303655441