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121966970472801 = 32233761261059999
BaseRepresentation
bin11011101110110110100101…
…111100110000100101100001
3120222211221001212202001111100
4123232312211330300211201
5111441301323420112201
61111222504104305013
734455552141301446
oct3356664574604541
9528757055661440
10121966970472801
11359539a1183383
121181a023772169
135309588a769bc
142219338dc39cd
15e17992a81886
hex6eeda5f30961

121966970472801 has 48 divisors (see below), whose sum is σ = 191897896320000. Its totient is φ = 74433426629760.

The previous prime is 121966970472797. The next prime is 121966970472803. The reversal of 121966970472801 is 108274079669121.

121966970472801 is a `hidden beast` number, since 1 + 2 + 1 + 96 + 6 + 9 + 70 + 472 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 121966970472801 - 22 = 121966970472797 is a prime.

It is a super-3 number, since 3×1219669704728013 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (121966970472803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130062801 + ... + 130997198.

It is an arithmetic number, because the mean of its divisors is an integer number (3997872840000).

Almost surely, 2121966970472801 is an apocalyptic number.

It is an amenable number.

121966970472801 is a deficient number, since it is larger than the sum of its proper divisors (69930925847199).

121966970472801 is a wasteful number, since it uses less digits than its factorization.

121966970472801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261060126 (or 261060123 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 121966970472801 in words is "one hundred twenty-one trillion, nine hundred sixty-six billion, nine hundred seventy million, four hundred seventy-two thousand, eight hundred one".

Divisors: 1 3 9 23 37 61 69 111 183 207 333 549 851 1403 2257 2553 4209 6771 7659 12627 20313 51911 155733 467199 261059999 783179997 2349539991 6004379977 9659219963 15924659939 18013139931 28977659889 47773979817 54039419793 86932979667 143321939451 222162059149 366267178597 589212417743 666486177447 1098801535791 1767637253229 1999458532341 3296404607373 5302911759687 13551885608089 40655656824267 121966970472801