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121652206313 = 1180273137771
BaseRepresentation
bin111000101001100001…
…0010101101011101001
3102122000011002101110212
41301103002111223221
53443120431100223
6131515232550505
711534440456301
oct1612302255351
9378004071425
10121652206313
1147657554190
121b6b10b2435
13b61959b841
145c6094a601
153270068278
hex1c53095ae9

121652206313 has 8 divisors (see below), whose sum is σ = 132714114336. Its totient is φ = 110590734400.

The previous prime is 121652206301. The next prime is 121652206321. The reversal of 121652206313 is 313602256121.

It is a happy number.

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 121652206313 - 220 = 121651157737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121652206313.

It is not an unprimeable number, because it can be changed into a prime (121652206373) 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, 814118 + ... + 951888.

It is an arithmetic number, because the mean of its divisors is an integer number (16589264292).

Almost surely, 2121652206313 is an apocalyptic number.

It is an amenable number.

121652206313 is a deficient number, since it is larger than the sum of its proper divisors (11061908023).

121652206313 is a wasteful number, since it uses less digits than its factorization.

121652206313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218055.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 121652206313 in words is "one hundred twenty-one billion, six hundred fifty-two million, two hundred six thousand, three hundred thirteen".

Divisors: 1 11 80273 137771 883003 1515481 11059291483 121652206313