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121792357352317 = 7913729713787649
BaseRepresentation
bin11011101100010011111110…
…001100100100001101111101
3120222020020100210100110201211
4123230103332030210031331
5111430421221440233232
61111010345255204421
734440131103253441
oct3354237614441575
9528206323313654
10121792357352317
1135896937672543
12117b0212076711
1352c5c7c18a632
142210ad27d6821
15e13173250a47
hex6ec4fe32437d

121792357352317 has 16 divisors (see below), whose sum is σ = 124276129632000. Its totient is φ = 119332728852480.

The previous prime is 121792357352299. The next prime is 121792357352321. The reversal of 121792357352317 is 713253753297121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121792357352317 - 27 = 121792357352189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121792357352917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30261309 + ... + 34048957.

It is an arithmetic number, because the mean of its divisors is an integer number (7767258102000).

Almost surely, 2121792357352317 is an apocalyptic number.

It is an amenable number.

121792357352317 is a deficient number, since it is larger than the sum of its proper divisors (2483772279683).

121792357352317 is a wasteful number, since it uses less digits than its factorization.

121792357352317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790836.

The product of its digits is 16669800, while the sum is 58.

The spelling of 121792357352317 in words is "one hundred twenty-one trillion, seven hundred ninety-two billion, three hundred fifty-seven million, three hundred fifty-two thousand, three hundred seventeen".

Divisors: 1 79 137 2971 10823 234709 407027 3787649 32155133 299224271 518907913 11253105179 40993725127 888995309141 1541675409523 121792357352317