Base | Representation |
---|---|
bin | 111000110111110001… |
… | …1110100111011011110 |
3 | 102200020111112210000210 |
4 | 1301233203310323132 |
5 | 4000110432401402 |
6 | 132034525433250 |
7 | 11552341136040 |
oct | 1615743647336 |
9 | 380214483023 |
10 | 122130747102 |
11 | 47882693a41 |
12 | 1b80540b826 |
13 | b69477c280 |
14 | 5ca8317a90 |
15 | 329c09306c |
hex | 1c6f8f4ede |
122130747102 has 128 divisors (see below), whose sum is σ = 318947328000. Its totient is φ = 30274425216.
The previous prime is 122130747097. The next prime is 122130747131. The reversal of 122130747102 is 201747031221.
It is a self number, because there is not a number n which added to its sum of digits gives 122130747102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1271149 + ... + 1363847.
It is an arithmetic number, because the mean of its divisors is an integer number (2491776000).
Almost surely, 2122130747102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122130747102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159473664000).
122130747102 is an abundant number, since it is smaller than the sum of its proper divisors (196816580898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122130747102 is a wasteful number, since it uses less digits than its factorization.
122130747102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92870.
The product of its (nonzero) digits is 4704, while the sum is 30.
Adding to 122130747102 its reverse (201747031221), we get a palindrome (323877778323).
The spelling of 122130747102 in words is "one hundred twenty-two billion, one hundred thirty million, seven hundred forty-seven thousand, one hundred two".
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