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125033042105 = 5216131157017
BaseRepresentation
bin111010001110010001…
…1001101000010111001
3102221201202201122022022
41310130203031002321
54022031424321410
6133234524004225
712014302215356
oct1643443150271
9387652648268
10125033042105
1149031990154
1220295390675
13ba37b447aa
1460a196962d
1533bbc87455
hex1d1c8cd0b9

125033042105 has 8 divisors (see below), whose sum is σ = 150046722312. Its totient is φ = 100021719168.

The previous prime is 125033042081. The next prime is 125033042111. The reversal of 125033042105 is 501240330521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70617216121 + 54415825984 = 265739^2 + 233272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125033042105 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470444 + ... + 686573.

It is an arithmetic number, because the mean of its divisors is an integer number (18755840289).

Almost surely, 2125033042105 is an apocalyptic number.

It is an amenable number.

125033042105 is a deficient number, since it is larger than the sum of its proper divisors (25013680207).

125033042105 is a wasteful number, since it uses less digits than its factorization.

125033042105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178635.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 125033042105 its reverse (501240330521), we get a palindrome (626273372626).

The spelling of 125033042105 in words is "one hundred twenty-five billion, thirty-three million, forty-two thousand, one hundred five".

Divisors: 1 5 21613 108065 1157017 5785085 25006608421 125033042105