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105207425554 = 27111276353527
BaseRepresentation
bin110000111111011011…
…0011110101000010010
3101001120002022222011211
41201332312132220102
53210431100104204
6120155344130334
710413065235130
oct1417666365022
9331502288154
10105207425554
1140688937a90
12184819069aa
139bc862543a
1451408b8750
152b0b4b5804
hex187ed9ea12

105207425554 has 32 divisors (see below), whose sum is σ = 196770640896. Its totient is φ = 40985928720.

The previous prime is 105207425503. The next prime is 105207425563. The reversal of 105207425554 is 455524702501.

It is a happy number.

105207425554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1052074255542 (a number of 23 digits) contains 22 as substring.

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, 1938739 + ... + 1992265.

It is an arithmetic number, because the mean of its divisors is an integer number (6149082528).

Almost surely, 2105207425554 is an apocalyptic number.

105207425554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105207425554 is a deficient number, since it is larger than the sum of its proper divisors (91563215342).

105207425554 is a wasteful number, since it uses less digits than its factorization.

105207425554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66310.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 105207425554 in words is "one hundred five billion, two hundred seven million, four hundred twenty-five thousand, five hundred fifty-four".

Divisors: 1 2 7 11 14 22 77 154 12763 25526 53527 89341 107054 140393 178682 280786 374689 588797 749378 982751 1177594 1965502 4121579 8243158 683165101 1366330202 4782155707 7514816111 9564311414 15029632222 52603712777 105207425554