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238008438829172 = 221117839379252801
BaseRepresentation
bin110110000111011110101000…
…011100110011000001110100
31011012201101101022212011021102
4312013132220130303001310
5222144012240320013142
62202111322314105232
7101063353663625624
oct6607365034630164
91135641338764242
10238008438829172
11699228a2940920
122283b76871b218
13a2a613a72060b
1442ab954308884
151c7b22baac532
hexd877a8733074

238008438829172 has 48 divisors (see below), whose sum is σ = 481681398764160. Its totient is φ = 101700430848000.

The previous prime is 238008438829151. The next prime is 238008438829211. The reversal of 238008438829172 is 271928834800832.

238008438829172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 238008438829099 and 238008438829108.

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, 188998829 + ... + 190253972.

It is an arithmetic number, because the mean of its divisors is an integer number (10035029140920).

Almost surely, 2238008438829172 is an apocalyptic number.

238008438829172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238008438829172 is an abundant number, since it is smaller than the sum of its proper divisors (243672959934988).

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

238008438829172 is a wasteful number, since it uses less digits than its factorization.

238008438829172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379253672 (or 379253670 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 65.

The spelling of 238008438829172 in words is "two hundred thirty-eight trillion, eight billion, four hundred thirty-eight million, eight hundred twenty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 839 1678 3356 9229 14263 18458 28526 36916 57052 156893 313786 627572 379252801 758505602 1517011204 4171780811 6447297617 8343561622 12894595234 16687123244 25789190468 70920273787 141840547574 283681095148 318193100039 636386200078 1272772400156 3500124100429 5409282700663 7000248200858 10818565401326 14000496401716 21637130802652 59502109707293 119004219414586 238008438829172