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121086317 = 1117476301
BaseRepresentation
bin1110011011110…
…10000101101101
322102211211012102
413031322011231
5221444230232
620003144445
73000134222
oct715720555
9272754172
10121086317
1162393a40
1234675125
131c117511
141211d949
15a96c662
hex737a16d

121086317 has 8 divisors (see below), whose sum is σ = 132190752. Its totient is φ = 109998000.

The previous prime is 121086307. The next prime is 121086319. The reversal of 121086317 is 713680121.

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 121086317 - 26 = 121086253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121086317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121086319) 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, 16067 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (16523844).

Almost surely, 2121086317 is an apocalyptic number.

It is an amenable number.

121086317 is a deficient number, since it is larger than the sum of its proper divisors (11104435).

121086317 is a wasteful number, since it uses less digits than its factorization.

121086317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 121086317 is about 11003.9228005289. The cubic root of 121086317 is about 494.7263283334.

The spelling of 121086317 in words is "one hundred twenty-one million, eighty-six thousand, three hundred seventeen".

Divisors: 1 11 1747 6301 19217 69311 11007847 121086317