Base | Representation |
---|---|
bin | 1110100010111… |
… | …10000111111111 |
3 | 22111121021110021 |
4 | 13101132013333 |
5 | 222214122401 |
6 | 20035153011 |
7 | 3011104315 |
oct | 721360777 |
9 | 274537407 |
10 | 122020351 |
11 | 62971772 |
12 | 34a45767 |
13 | 1c3836bb |
14 | 122c40b5 |
15 | aaa42a1 |
hex | 745e1ff |
122020351 has 2 divisors, whose sum is σ = 122020352. Its totient is φ = 122020350.
The previous prime is 122020307. The next prime is 122020357. The reversal of 122020351 is 153020221.
It is a strong prime.
It is an emirp because it is prime and its reverse (153020221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122020351 - 217 = 121889279 is a prime.
It is a super-3 number, since 3×1220203513 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122020357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010175 + 61010176.
It is an arithmetic number, because the mean of its divisors is an integer number (61010176).
Almost surely, 2122020351 is an apocalyptic number.
122020351 is a deficient number, since it is larger than the sum of its proper divisors (1).
122020351 is an equidigital number, since it uses as much as digits as its factorization.
122020351 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 122020351 is about 11046.2822252557. The cubic root of 122020351 is about 495.9951425448.
Adding to 122020351 its reverse (153020221), we get a palindrome (275040572).
The spelling of 122020351 in words is "one hundred twenty-two million, twenty thousand, three hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •