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1210013103 = 313271114487
BaseRepresentation
bin100100000011111…
…0101010110101111
310010022212000221010
41020013311112233
54434230404403
6320022440303
741661640665
oct11007652657
93108760833
101210013103
11571025832
12299293093
131638bbcb0
14b69b8c35
1571367603
hex481f55af

1210013103 has 16 divisors (see below), whose sum is σ = 1743881216. Its totient is φ = 741869280.

The previous prime is 1210013087. The next prime is 1210013137. The reversal of 1210013103 is 3013100121.

It is not a de Polignac number, because 1210013103 - 24 = 1210013087 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 (1210013303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46675 + ... + 67812.

It is an arithmetic number, because the mean of its divisors is an integer number (108992576).

Almost surely, 21210013103 is an apocalyptic number.

1210013103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210013103 is a deficient number, since it is larger than the sum of its proper divisors (533868113).

1210013103 is a wasteful number, since it uses less digits than its factorization.

1210013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114774.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1210013103 is about 34785.2426037249. The cubic root of 1210013103 is about 1065.6060831952.

Adding to 1210013103 its reverse (3013100121), we get a palindrome (4223113224).

The spelling of 1210013103 in words is "one billion, two hundred ten million, thirteen thousand, one hundred three".

Divisors: 1 3 13 39 271 813 3523 10569 114487 343461 1488331 4464993 31025977 93077931 403337701 1210013103