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122748421630 = 25171395194601
BaseRepresentation
bin111001001010001100…
…0000100010111111110
3102201211112210220012011
41302110120010113332
54002342043443010
6132220112401434
711603551240312
oct1622430042776
9381745726164
10122748421630
114806a313a5a
121b95824627a
13b762725963
145d26381b42
1532d6402a8a
hex1c946045fe

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".

Divisors: 1 2 5 10 17 34 85 139 170 278 695 1390 2363 4726 11815 23630 5194601 10389202 25973005 51946010 88308217 176616434 441541085 722049539 883082170 1444099078 3610247695 7220495390 12274842163 24549684326 61374210815 122748421630