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103103513 = 837731607
BaseRepresentation
bin1100010010100…
…11110000011001
321012000012102122
412021103300121
5202343303023
614121511025
72361236222
oct611236031
9235005378
10103103513
1153221217
122a642475
131848c2c6
14d99c249
1590b92c8
hex6253c19

103103513 has 8 divisors (see below), whose sum is σ = 104545728. Its totient is φ = 101666224.

The previous prime is 103103467. The next prime is 103103537. The reversal of 103103513 is 315301301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103103513 - 26 = 103103449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103103491 and 103103500.

It is not an unprimeable number, because it can be changed into a prime (103103543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63356 + ... + 64962.

It is an arithmetic number, because the mean of its divisors is an integer number (13068216).

Almost surely, 2103103513 is an apocalyptic number.

It is an amenable number.

103103513 is a deficient number, since it is larger than the sum of its proper divisors (1442215).

103103513 is an equidigital number, since it uses as much as digits as its factorization.

103103513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 103103513 is about 10153.9900039344. The cubic root of 103103513 is about 468.9117920197.

Adding to 103103513 its reverse (315301301), we get a palindrome (418404814).

The spelling of 103103513 in words is "one hundred three million, one hundred three thousand, five hundred thirteen".

Divisors: 1 83 773 1607 64159 133381 1242211 103103513