Base | Representation |
---|---|
bin | 111001001010001100… |
… | …0000100010111111110 |
3 | 102201211112210220012011 |
4 | 1302110120010113332 |
5 | 4002342043443010 |
6 | 132220112401434 |
7 | 11603551240312 |
oct | 1622430042776 |
9 | 381745726164 |
10 | 122748421630 |
11 | 4806a313a5a |
12 | 1b95824627a |
13 | b762725963 |
14 | 5d26381b42 |
15 | 32d6402a8a |
hex | 1c946045fe |
122748421630 has 32 divisors (see below), whose sum is σ = 235627146720. Its totient is φ = 45878707200.
The previous prime is 122748421591. The next prime is 122748421699. The reversal of 122748421630 is 36124847221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573671 + ... + 2620930.
It is an arithmetic number, because the mean of its divisors is an integer number (7363348335).
Almost surely, 2122748421630 is an apocalyptic number.
122748421630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122748421630 is a deficient number, since it is larger than the sum of its proper divisors (112878725090).
122748421630 is a wasteful number, since it uses less digits than its factorization.
122748421630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5194764.
The product of its (nonzero) digits is 129024, while the sum is 40.
The spelling of 122748421630 in words is "one hundred twenty-two billion, seven hundred forty-eight million, four hundred twenty-one thousand, six hundred thirty".
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