Base | Representation |
---|---|
bin | 1110101010010… |
… | …00101001101101 |
3 | 22120102002011212 |
4 | 13111020221231 |
5 | 222440342343 |
6 | 20111524205 |
7 | 3022215053 |
oct | 725105155 |
9 | 276362155 |
10 | 122980973 |
11 | 63468475 |
12 | 35229665 |
13 | 1c62ba0b |
14 | 124941d3 |
15 | abe3c18 |
hex | 7548a6d |
122980973 has 2 divisors, whose sum is σ = 122980974. Its totient is φ = 122980972.
The previous prime is 122980961. The next prime is 122980981. The reversal of 122980973 is 379089221.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 106956964 + 16024009 = 10342^2 + 4003^2 .
It is a cyclic number.
It is not a de Polignac number, because 122980973 - 216 = 122915437 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122980973.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122980943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61490486 + 61490487.
It is an arithmetic number, because the mean of its divisors is an integer number (61490487).
Almost surely, 2122980973 is an apocalyptic number.
It is an amenable number.
122980973 is a deficient number, since it is larger than the sum of its proper divisors (1).
122980973 is an equidigital number, since it uses as much as digits as its factorization.
122980973 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 122980973 is about 11089.6786698263. The cubic root of 122980973 is about 497.2933384047.
The spelling of 122980973 in words is "one hundred twenty-two million, nine hundred eighty thousand, nine hundred seventy-three".
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