Base | Representation |
---|---|
bin | 1110100011111… |
… | …01110101000111 |
3 | 22111211212121001 |
4 | 13101331311013 |
5 | 222232301330 |
6 | 20042034131 |
7 | 3012155035 |
oct | 721756507 |
9 | 274755531 |
10 | 122150215 |
11 | 62a502a0 |
12 | 34aa8947 |
13 | 1c3ca845 |
14 | 12319555 |
15 | aacc9ca |
hex | 747dd47 |
122150215 has 8 divisors (see below), whose sum is σ = 159905808. Its totient is φ = 88836480.
The previous prime is 122150207. The next prime is 122150293. The reversal of 122150215 is 512051221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122150215 - 23 = 122150207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122150192 and 122150201.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1110402 + ... + 1110511.
It is an arithmetic number, because the mean of its divisors is an integer number (19988226).
Almost surely, 2122150215 is an apocalyptic number.
122150215 is a deficient number, since it is larger than the sum of its proper divisors (37755593).
122150215 is a wasteful number, since it uses less digits than its factorization.
122150215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2220929.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 122150215 is about 11052.1588388875. The cubic root of 122150215 is about 496.1710396400.
The spelling of 122150215 in words is "one hundred twenty-two million, one hundred fifty thousand, two hundred fifteen".
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