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10113111 = 321959141
BaseRepresentation
bin100110100101…
…000001010111
3201000210120200
4212211001113
510042104421
61000431543
7151650201
oct46450127
921023520
1010113111
115788148
1234785b3
1321311b8
1414b3771
15d4b726
hex9a5057

10113111 has 12 divisors (see below), whose sum is σ = 15376920. Its totient is φ = 6387120.

The previous prime is 10113109. The next prime is 10113121. The reversal of 10113111 is 11131101.

It is not a de Polignac number, because 10113111 - 21 = 10113109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10113093 and 10113102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29400 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (1281410).

Almost surely, 210113111 is an apocalyptic number.

10113111 is a deficient number, since it is larger than the sum of its proper divisors (5263809).

10113111 is a wasteful number, since it uses less digits than its factorization.

10113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59166 (or 59163 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 10113111 is about 3180.1117904879. Note that the first 3 decimals coincide. The cubic root of 10113111 is about 216.2527263069.

Adding to 10113111 its reverse (11131101), we get a palindrome (21244212).

The spelling of 10113111 in words is "ten million, one hundred thirteen thousand, one hundred eleven".

Divisors: 1 3 9 19 57 171 59141 177423 532269 1123679 3371037 10113111