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105913680194 = 2717445015463
BaseRepresentation
bin110001010100011110…
…0101000000101000010
3101010101022021102102002
41202220330220011002
53213402400231234
6120353413424002
710436432266430
oct1425074500502
9333338242362
10105913680194
1140a10569603
121863a33b002
139caba446aa
1451aa5ddd50
152b4d4c127e
hex18a8f28142

105913680194 has 16 divisors (see below), whose sum is σ = 192246680448. Its totient is φ = 42721484352.

The previous prime is 105913680193. The next prime is 105913680209. The reversal of 105913680194 is 491086319501.

It is a super-2 number, since 2×1059136801942 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105913680193) 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, 222507494 + ... + 222507969.

It is an arithmetic number, because the mean of its divisors is an integer number (12015417528).

Almost surely, 2105913680194 is an apocalyptic number.

105913680194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105913680194 is a deficient number, since it is larger than the sum of its proper divisors (86333000254).

105913680194 is a wasteful number, since it uses less digits than its factorization.

105913680194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445015489.

The product of its (nonzero) digits is 233280, while the sum is 47.

Adding to 105913680194 its reverse (491086319501), we get a palindrome (596999999695).

The spelling of 105913680194 in words is "one hundred five billion, nine hundred thirteen million, six hundred eighty thousand, one hundred ninety-four".

Divisors: 1 2 7 14 17 34 119 238 445015463 890030926 3115108241 6230216482 7565262871 15130525742 52956840097 105913680194