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111425101 = 1961127757
BaseRepresentation
bin1101010010000…
…11011001001101
321202122222111121
412221003121031
5212011100401
615020120541
72522045344
oct651033115
9252588447
10111425101
1157995367
1231396151
131a113c18
1410b26b5b
159baeca1
hex6a4364d

111425101 has 16 divisors (see below), whose sum is σ = 120309760. Its totient is φ = 102876480.

The previous prime is 111425081. The next prime is 111425107. The reversal of 111425101 is 101524111.

It is a cyclic number.

It is not a de Polignac number, because 111425101 - 29 = 111424589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111425107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146815 + ... + 147571.

It is an arithmetic number, because the mean of its divisors is an integer number (7519360).

Almost surely, 2111425101 is an apocalyptic number.

It is an amenable number.

111425101 is a deficient number, since it is larger than the sum of its proper divisors (8884659).

111425101 is a wasteful number, since it uses less digits than its factorization.

111425101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 111425101 is about 10555.8088747381. The cubic root of 111425101 is about 481.2022826473.

Adding to 111425101 its reverse (101524111), we get a palindrome (212949212).

The spelling of 111425101 in words is "one hundred eleven million, four hundred twenty-five thousand, one hundred one".

Divisors: 1 19 61 127 757 1159 2413 7747 14383 46177 96139 147193 877363 1826641 5864479 111425101