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103112983 = 311331553
BaseRepresentation
bin1100010010101…
…10000100010111
321012000200102101
412021112010113
5202344103413
614122022531
72361305641
oct611260427
9235020371
10103112983
1153228346
122a647a47
13184936cc
14d9a1891
1590bbedd
hex6256117

103112983 has 4 divisors (see below), whose sum is σ = 103444848. Its totient is φ = 102781120.

The previous prime is 103112963. The next prime is 103112987. The reversal of 103112983 is 389211301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389211301 = 571681631.

It is a cyclic number.

It is not a de Polignac number, because 103112983 - 217 = 102981911 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 (103112987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165466 + ... + 166087.

It is an arithmetic number, because the mean of its divisors is an integer number (25861212).

Almost surely, 2103112983 is an apocalyptic number.

103112983 is a deficient number, since it is larger than the sum of its proper divisors (331865).

103112983 is an equidigital number, since it uses as much as digits as its factorization.

103112983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331864.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 103112983 is about 10154.4563123783. The cubic root of 103112983 is about 468.9261480088.

It can be divided in two parts, 10311298 and 3, that added together give a palindrome (10311301).

The spelling of 103112983 in words is "one hundred three million, one hundred twelve thousand, nine hundred eighty-three".

Divisors: 1 311 331553 103112983