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174138105306 = 23117954761057
BaseRepresentation
bin1010001000101101110…
…0001001110111011010
3121122110222120022102210
42202023130021313122
510323113323332211
6211555315535550
715403206321054
oct2421334116732
9548428508383
10174138105306
1167940469a10
12298ba5ba5b6
13135623715c9
1485dd49a8d4
1547e2ca09a6
hex288b709dda

174138105306 has 64 divisors (see below), whose sum is σ = 385456711680. Its totient is φ = 52005058560.

The previous prime is 174138105293. The next prime is 174138105307. The reversal of 174138105306 is 603501831471.

174138105306 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-3 number, since 3×1741381053063 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (174138105307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2821530 + ... + 2882586.

It is an arithmetic number, because the mean of its divisors is an integer number (6022761120).

Almost surely, 2174138105306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 174138105306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192728355840).

174138105306 is an abundant number, since it is smaller than the sum of its proper divisors (211318606374).

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

174138105306 is a wasteful number, since it uses less digits than its factorization.

174138105306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61699.

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 174138105306 its reverse (603501831471), we get a palindrome (777639936777).

The spelling of 174138105306 in words is "one hundred seventy-four billion, one hundred thirty-eight million, one hundred five thousand, three hundred six".

Divisors: 1 2 3 6 11 22 33 66 79 158 237 474 547 869 1094 1641 1738 2607 3282 5214 6017 12034 18051 36102 43213 61057 86426 122114 129639 183171 259278 366342 475343 671627 950686 1343254 1426029 2014881 2852058 4029762 4823503 9647006 14470509 28941018 33398179 53058533 66796358 100194537 106117066 159175599 200389074 318351198 367379969 734759938 1102139907 2204279814 2638456141 5276912282 7915368423 15830736846 29023017551 58046035102 87069052653 174138105306