Base | Representation |
---|---|
bin | 1110011110111… |
… | …10001000010111 |
3 | 22110121122022002 |
4 | 13033132020113 |
5 | 222100333322 |
6 | 20020025515 |
7 | 3003461666 |
oct | 717361027 |
9 | 273548262 |
10 | 121496087 |
11 | 62643899 |
12 | 3483229b |
13 | 1c22bb9b |
14 | 121c8ddd |
15 | a9edc92 |
hex | 73de217 |
121496087 has 8 divisors (see below), whose sum is σ = 124930080. Its totient is φ = 118104480.
The previous prime is 121496077. The next prime is 121496117. The reversal of 121496087 is 780694121.
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 121496087 - 224 = 104718871 is a prime.
It is a super-2 number, since 2×1214960872 = 29522598312623138, which contains 22 as substring.
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 121496087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121496057) 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, 4739 + ... + 16292.
It is an arithmetic number, because the mean of its divisors is an integer number (15616260).
Almost surely, 2121496087 is an apocalyptic number.
121496087 is a deficient number, since it is larger than the sum of its proper divisors (3433993).
121496087 is a wasteful number, since it uses less digits than its factorization.
121496087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21193.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 121496087 is about 11022.5263438107. The cubic root of 121496087 is about 495.2837702231.
The spelling of 121496087 in words is "one hundred twenty-one million, four hundred ninety-six thousand, eighty-seven".
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