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103103012 = 2225775753
BaseRepresentation
bin1100010010100…
…11101000100100
321012000011202002
412021103220210
5202343244022
614121504432
72361234605
oct611235044
9235004662
10103103012
1153220901
122a642118
131848bccc
14d99bdac
1590b9092
hex6253a24

103103012 has 6 divisors (see below), whose sum is σ = 180430278. Its totient is φ = 51551504.

The previous prime is 103103009. The next prime is 103103027. The reversal of 103103012 is 210301301.

It can be written as a sum of positive squares in only one way, i.e., 87310336 + 15792676 = 9344^2 + 3974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103102984 and 103103002.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12887873 + ... + 12887880.

It is an arithmetic number, because the mean of its divisors is an integer number (30071713).

Almost surely, 2103103012 is an apocalyptic number.

It is an amenable number.

103103012 is a deficient number, since it is larger than the sum of its proper divisors (77327266).

103103012 is a wasteful number, since it uses less digits than its factorization.

103103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775757 (or 25775755 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103103012 is about 10153.9653337994. The cubic root of 103103012 is about 468.9110325073.

Adding to 103103012 its reverse (210301301), we get a palindrome (313404313).

The spelling of 103103012 in words is "one hundred three million, one hundred three thousand, twelve".

Divisors: 1 2 4 25775753 51551506 103103012