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13408623168 = 263236745319
BaseRepresentation
bin11000111110011011…
…10101101001000000
31021121110200122001220
430133031311221000
5204430101420133
610054305155040
7653164262553
oct143715655100
937543618056
1013408623168
115760900056
12272262ba80
131358c42265
14912b3669a
1553726a5b3
hex31f375a40

13408623168 has 112 divisors (see below), whose sum is σ = 37572817920. Its totient is φ = 4211311104.

The previous prime is 13408623157. The next prime is 13408623199. The reversal of 13408623168 is 86132680431.

13408623168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134086231682 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273213 + ... + 318531.

Almost surely, 213408623168 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 13408623168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18786408960).

13408623168 is an abundant number, since it is smaller than the sum of its proper divisors (24164194752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13408623168 is a wasteful number, since it uses less digits than its factorization.

13408623168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45424 (or 45414 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 13408623168 in words is "thirteen billion, four hundred eight million, six hundred twenty-three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 67 69 92 96 134 138 184 192 201 268 276 368 402 536 552 736 804 1072 1104 1472 1541 1608 2144 2208 3082 3216 4288 4416 4623 6164 6432 9246 12328 12864 18492 24656 36984 45319 49312 73968 90638 98624 135957 147936 181276 271914 295872 362552 543828 725104 1042337 1087656 1450208 2084674 2175312 2900416 3036373 3127011 4169348 4350624 6072746 6254022 8338696 8701248 9109119 12145492 12508044 16677392 18218238 24290984 25016088 33354784 36436476 48581968 50032176 66709568 69836579 72872952 97163936 100064352 139673158 145745904 194327872 200128704 209509737 279346316 291491808 419019474 558692632 582983616 838038948 1117385264 1676077896 2234770528 3352155792 4469541056 6704311584 13408623168