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103203113 = 1383101947
BaseRepresentation
bin1100010011011…
…00000100101001
321012012021001112
412021230010221
5202404444423
614124000105
72362132466
oct611540451
9235167045
10103203113
115328a032
122a690035
13184c5740
14d9c666d
1590d8a78
hex626c129

103203113 has 16 divisors (see below), whose sum is σ = 113714496. Its totient is φ = 93086400.

The previous prime is 103203071. The next prime is 103203127. The reversal of 103203113 is 311302301.

It is a cyclic number.

It is not a de Polignac number, because 103203113 - 28 = 103202857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103200113) 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, 108506 + ... + 109452.

It is an arithmetic number, because the mean of its divisors is an integer number (7107156).

Almost surely, 2103203113 is an apocalyptic number.

103203113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103203113 is a deficient number, since it is larger than the sum of its proper divisors (10511383).

103203113 is a wasteful number, since it uses less digits than its factorization.

103203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 103203113 is about 10158.8932960239. The cubic root of 103203113 is about 469.0627360639.

Adding to 103203113 its reverse (311302301), we get a palindrome (414505414).

The spelling of 103203113 in words is "one hundred three million, two hundred three thousand, one hundred thirteen".

Divisors: 1 13 83 101 947 1079 1313 8383 12311 78601 95647 108979 1021813 1243411 7938701 103203113