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103212245321 = 2313974343451
BaseRepresentation
bin110000000011111101…
…1011110000101001001
3100212102001001022102122
41200013323132011021
53142334313322241
6115225352341025
710312460416133
oct1400773360511
9325361038378
10103212245321
113a8546925a9
12180056a4775
13996b177b13
144dd1916053
152a4125604b
hex1807ede149

103212245321 has 16 divisors (see below), whose sum is σ = 108623047680. Its totient is φ = 97880336400.

The previous prime is 103212245273. The next prime is 103212245359. The reversal of 103212245321 is 123542212301.

It is a de Polignac number, because none of the positive numbers 2k-103212245321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103212245621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353646 + ... + 2397096.

It is an arithmetic number, because the mean of its divisors is an integer number (6788940480).

Almost surely, 2103212245321 is an apocalyptic number.

It is an amenable number.

103212245321 is a deficient number, since it is larger than the sum of its proper divisors (5410802359).

103212245321 is a wasteful number, since it uses less digits than its factorization.

103212245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44356.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 103212245321 its reverse (123542212301), we get a palindrome (226754457622).

The spelling of 103212245321 in words is "one hundred three billion, two hundred twelve million, two hundred forty-five thousand, three hundred twenty-one".

Divisors: 1 23 139 743 3197 17089 43451 103277 999373 2375371 6039689 32284093 138912847 742534139 4487488927 103212245321