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103212301211 = 234487491357
BaseRepresentation
bin110000000011111101…
…1101011101110011011
3100212102001011011002122
41200013323223232123
53142334322114321
6115225353451455
710312461041105
oct1400773535633
9325361134078
10103212301211
113a854720598
1218005710b8b
13996b1973a6
144dd192c575
152a412678ab
hex1807eebb9b

103212301211 has 4 divisors (see below), whose sum is σ = 107699792592. Its totient is φ = 98724809832.

The previous prime is 103212301151. The next prime is 103212301217. The reversal of 103212301211 is 112103212301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112103212301 = 373613000541.

It is a cyclic number.

It is not a de Polignac number, because 103212301211 - 226 = 103145192347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103212301211.

It is not an unprimeable number, because it can be changed into a prime (103212301217) 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, 2243745656 + ... + 2243745701.

It is an arithmetic number, because the mean of its divisors is an integer number (26924948148).

Almost surely, 2103212301211 is an apocalyptic number.

103212301211 is a deficient number, since it is larger than the sum of its proper divisors (4487491381).

103212301211 is an equidigital number, since it uses as much as digits as its factorization.

103212301211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487491380.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103212301211 its reverse (112103212301), we get a palindrome (215315513512).

The spelling of 103212301211 in words is "one hundred three billion, two hundred twelve million, three hundred one thousand, two hundred eleven".

Divisors: 1 23 4487491357 103212301211