| Base | Representation |
|---|---|
| bin | 111000101010101101… |
| … | …0001001000011110100 |
| 3 | 102122002220222010211122 |
| 4 | 1301111122021003310 |
| 5 | 3443211123004000 |
| 6 | 131523213523112 |
| 7 | 11535432636320 |
| oct | 1612532110364 |
| 9 | 378086863748 |
| 10 | 121692000500 |
| 11 | 47677a64144 |
| 12 | 1b7024a3498 |
| 13 | b6248c27b5 |
| 14 | 5c65d48980 |
| 15 | 32737c9085 |
| hex | 1c556890f4 |
121692000500 has 192 divisors, whose sum is σ = 311894489088. Its totient is φ = 40613068800.
The previous prime is 121692000487. The next prime is 121692000503. The reversal of 121692000500 is 5000296121.
It is a self number, because there is not a number n which added to its sum of digits gives 121692000500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121692000503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31746584 + ... + 31750416.
It is an arithmetic number, because the mean of its divisors is an integer number (1624450464).
Almost surely, 2121692000500 is an apocalyptic number.
121692000500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121692000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155947244544).
121692000500 is an abundant number, since it is smaller than the sum of its proper divisors (190202488588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121692000500 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (121692000499) it forms an eRAP, since the sums of their prime factors are consecutive (4098 and 4099).
121692000500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4099 (or 4087 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 26.
Adding to 121692000500 its reverse (5000296121), we get a palindrome (126692296621).
The spelling of 121692000500 in words is "one hundred twenty-one billion, six hundred ninety-two million, five hundred", and thus it is an aban number.
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