Base | Representation |
---|---|
bin | 111001000000100011… |
… | …1110100100100100000 |
3 | 102201000000222110121222 |
4 | 1302001013310210200 |
5 | 4001211400123423 |
6 | 132124053034212 |
7 | 11562546456164 |
oct | 1620107644440 |
9 | 381000873558 |
10 | 122425395488 |
11 | 47a13a42700 |
12 | 1b888025968 |
13 | b710825226 |
14 | 5cd54d6ca4 |
15 | 32b7d963c8 |
hex | 1c811f4920 |
122425395488 has 54 divisors (see below), whose sum is σ = 264975426387. Its totient is φ = 55638010560.
The previous prime is 122425395461. The next prime is 122425395493. The reversal of 122425395488 is 884593524221.
It is a happy number.
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., 61212697744 + 61212697744 = 247412^2 + 247412^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247412.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21769445 + ... + 21775067.
Almost surely, 2122425395488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122425395488
122425395488 is an abundant number, since it is smaller than the sum of its proper divisors (142550030899).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122425395488 is an frugal number, since it uses more digits than its factorization.
122425395488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11278 (or 5636 counting only the distinct ones).
The product of its digits is 5529600, while the sum is 53.
The spelling of 122425395488 in words is "one hundred twenty-two billion, four hundred twenty-five million, three hundred ninety-five thousand, four hundred eighty-eight".
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