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105315812274 = 2320341862919
BaseRepresentation
bin110001000010101001…
…1111100001110110010
3101001211122021120210210
41202011103330032302
53211141321443044
6120214215204550
710415552430321
oct1420523741662
9331748246723
10105315812274
1140734037592
12184b2076756
139c14c143aa
1451510500b8
152b15c751b9
hex18854fc3b2

105315812274 has 16 divisors (see below), whose sum is σ = 210642223680. Its totient is φ = 35103504240.

The previous prime is 105315812263. The next prime is 105315812279. The reversal of 105315812274 is 472218513501.

It is a super-2 number, since 2×1053158122742 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105315812279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309414 + ... + 553505.

It is an arithmetic number, because the mean of its divisors is an integer number (13165138980).

Almost surely, 2105315812274 is an apocalyptic number.

105315812274 is an abundant number, since it is smaller than the sum of its proper divisors (105326411406).

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

105315812274 is a wasteful number, since it uses less digits than its factorization.

105315812274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883265.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 105315812274 in words is "one hundred five billion, three hundred fifteen million, eight hundred twelve thousand, two hundred seventy-four".

Divisors: 1 2 3 6 20341 40682 61023 122046 862919 1725838 2588757 5177514 17552635379 35105270758 52657906137 105315812274