Base | Representation |
---|---|
bin | 111001001110000001… |
… | …0111001110000100000 |
3 | 102202011111220222011202 |
4 | 1302130002321300200 |
5 | 4003123013401343 |
6 | 132240550300332 |
7 | 11610003016241 |
oct | 1623402716040 |
9 | 382144828152 |
10 | 122877090848 |
11 | 48125a07056 |
12 | 1b9933576a8 |
13 | b7832967a5 |
14 | 5d394b6cc8 |
15 | 32e286bdb8 |
hex | 1c9c0b9c20 |
122877090848 has 18 divisors (see below), whose sum is σ = 241918176591. Its totient is φ = 61437553952.
The previous prime is 122877090811. The next prime is 122877090859. The reversal of 122877090848 is 848090778221.
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 can be written as a sum of positive squares in only one way, i.e., 61438545424 + 61438545424 = 247868^2 + 247868^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247868.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122877090793 and 122877090802.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1951961 + ... + 2013927.
Almost surely, 2122877090848 is an apocalyptic number.
It is an amenable number.
122877090848 is a deficient number, since it is larger than the sum of its proper divisors (119041085743).
122877090848 is an frugal number, since it uses more digits than its factorization.
122877090848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123944 (or 61969 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 56.
The spelling of 122877090848 in words is "one hundred twenty-two billion, eight hundred seventy-seven million, ninety thousand, eight hundred forty-eight".
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