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11712130 = 2583103137
BaseRepresentation
bin101100101011…
…011010000010
3211001001000121
4230223122002
510444242010
61055010454
7201360103
oct54533202
924031017
1011712130
11667a551
123b09a2a
132570c71
1417ac3aa
1510653da
hexb2b682

11712130 has 32 divisors (see below), whose sum is σ = 21700224. Its totient is φ = 4550016.

The previous prime is 11712121. The next prime is 11712131. The reversal of 11712130 is 3121711.

It is not an unprimeable number, because it can be changed into a prime (11712131) 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 15 ways as a sum of consecutive naturals, for example, 85422 + ... + 85558.

It is an arithmetic number, because the mean of its divisors is an integer number (678132).

Almost surely, 211712130 is an apocalyptic number.

11712130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11712130 is a deficient number, since it is larger than the sum of its proper divisors (9988094).

11712130 is a wasteful number, since it uses less digits than its factorization.

11712130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11712130 is about 3422.2989349266. The cubic root of 11712130 is about 227.0972950669.

Adding to 11712130 its reverse (3121711), we get a palindrome (14833841).

The spelling of 11712130 in words is "eleven million, seven hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 83 103 137 166 206 274 415 515 685 830 1030 1370 8549 11371 14111 17098 22742 28222 42745 56855 70555 85490 113710 141110 1171213 2342426 5856065 11712130