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1300210103 = 4547285949
BaseRepresentation
bin100110101111111…
…1010000110110111
310100121120111221202
41031133322012313
510130323210403
6333004003115
744135414003
oct11537720667
93317514852
101300210103
11607a31105
1230353049b
131794ac7ba
14c4977703
1579232688
hex4d7fa1b7

1300210103 has 4 divisors (see below), whose sum is σ = 1300500600. Its totient is φ = 1299919608.

The previous prime is 1300210073. The next prime is 1300210111. The reversal of 1300210103 is 3010120031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010120031 = 8233657497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1300210103 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 (1300219103) 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, 138428 + ... + 147521.

It is an arithmetic number, because the mean of its divisors is an integer number (325125150).

Almost surely, 21300210103 is an apocalyptic number.

1300210103 is a deficient number, since it is larger than the sum of its proper divisors (290497).

1300210103 is an equidigital number, since it uses as much as digits as its factorization.

1300210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290496.

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

The square root of 1300210103 is about 36058.4262413101. The cubic root of 1300210103 is about 1091.4516760269.

Adding to 1300210103 its reverse (3010120031), we get a palindrome (4310330134).

The spelling of 1300210103 in words is "one billion, three hundred million, two hundred ten thousand, one hundred three".

Divisors: 1 4547 285949 1300210103