Base | Representation |
---|---|
bin | 111001000000001001… |
… | …0111110000101001000 |
3 | 102200222001220120120200 |
4 | 1302000102332011020 |
5 | 4001144323301213 |
6 | 132122440052200 |
7 | 11562320633424 |
oct | 1620022760510 |
9 | 380861816520 |
10 | 122411540808 |
11 | 47a0713a457 |
12 | 1b883464060 |
13 | b70a9b3cab |
14 | 5cd372bb84 |
15 | 32b6a5b273 |
hex | 1c804be148 |
122411540808 has 36 divisors (see below), whose sum is σ = 331539296985. Its totient is φ = 40802857344.
The previous prime is 122411540767. The next prime is 122411540809. The reversal of 122411540808 is 808045114221.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
122411540808 is a `hidden beast` number, since 1 + 2 + 24 + 11 + 540 + 80 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 120907807524 + 1503733284 = 347718^2 + 38778^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247398.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (122411540809) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2948160 + ... + 2989392.
Almost surely, 2122411540808 is an apocalyptic number.
122411540808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
122411540808 is an abundant number, since it is smaller than the sum of its proper divisors (209127756177).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122411540808 is an frugal number, since it uses more digits than its factorization.
122411540808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82478 (or 41238 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The spelling of 122411540808 in words is "one hundred twenty-two billion, four hundred eleven million, five hundred forty thousand, eight hundred eight".
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