Base | Representation |
---|---|
bin | 101101100111111000… |
… | …0010010100011010010 |
3 | 100100220000220200211200 |
4 | 1123033300102203102 |
5 | 3101123023314442 |
6 | 113001540252030 |
7 | 10035623153511 |
oct | 1331760224322 |
9 | 310800820750 |
10 | 97974823122 |
11 | 38607262800 |
12 | 16ba36a1016 |
13 | 931508b827 |
14 | 4a560d0678 |
15 | 283655234c |
hex | 16cfc128d2 |
97974823122 has 162 divisors, whose sum is σ = 246957753861. Its totient is φ = 28047064320.
The previous prime is 97974823109. The next prime is 97974823127. The reversal of 97974823122 is 22132847979.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 97106401161 + 868421961 = 311619^2 + 29469^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=221331.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (97974823127) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 277548898 + ... + 277549250.
Almost surely, 297974823122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97974823122
97974823122 is an abundant number, since it is smaller than the sum of its proper divisors (148982930739).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97974823122 is a wasteful number, since it uses less digits than its factorization.
97974823122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 774 (or 388 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 54.
The spelling of 97974823122 in words is "ninety-seven billion, nine hundred seventy-four million, eight hundred twenty-three thousand, one hundred twenty-two".
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