Base | Representation |
---|---|
bin | 111000110101010011… |
… | …0110011100011001000 |
3 | 102200000201011120222122 |
4 | 1301222212303203020 |
5 | 3444423144014200 |
6 | 132022400310412 |
7 | 11550311560400 |
oct | 1615246634310 |
9 | 380021146878 |
10 | 122047641800 |
11 | 4783a791777 |
12 | 1b7a1612408 |
13 | b6804a2636 |
14 | 5c9b283800 |
15 | 3294b29385 |
hex | 1c6a9b38c8 |
122047641800 has 108 divisors (see below), whose sum is σ = 330182618355. Its totient is φ = 41833048320.
The previous prime is 122047641797. The next prime is 122047641803. The reversal of 122047641800 is 8146740221.
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.
It is an interprime number because it is at equal distance from previous prime (122047641797) and next prime (122047641803).
It can be written as a sum of positive squares in 5 ways, for example, as 3445924804 + 118601716996 = 58702^2 + 344386^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247030.
It is a super-2 number, since 2×1220476418002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (122047641803) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34582436 + ... + 34585964.
Almost surely, 2122047641800 is an apocalyptic number.
122047641800 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 122047641800
122047641800 is an abundant number, since it is smaller than the sum of its proper divisors (208134976555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122047641800 is an frugal number, since it uses more digits than its factorization.
122047641800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7088 (or 3543 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The spelling of 122047641800 in words is "one hundred twenty-two billion, forty-seven million, six hundred forty-one thousand, eight hundred".
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