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103211122420 = 2257737222303
BaseRepresentation
bin110000000011111011…
…1001011111011110100
3100212101221221021002201
41200013313023323310
53142334021404140
6115225312314244
710312445031310
oct1400767137364
9325357837081
10103211122420
113a853a9598a
1218005242984
13996ab73993
144dd1702b40
152a410d349a
hex1807dcbef4

103211122420 has 24 divisors (see below), whose sum is σ = 247706694144. Its totient is φ = 35386670496.

The previous prime is 103211122411. The next prime is 103211122447. The reversal of 103211122420 is 24221112301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368611012 + ... + 368611291.

It is an arithmetic number, because the mean of its divisors is an integer number (10321112256).

Almost surely, 2103211122420 is an apocalyptic number.

103211122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211122420 is an abundant number, since it is smaller than the sum of its proper divisors (144495571724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103211122420 is a wasteful number, since it uses less digits than its factorization.

103211122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737222319 (or 737222317 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103211122420 its reverse (24221112301), we get a palindrome (127432234721).

The spelling of 103211122420 in words is "one hundred three billion, two hundred eleven million, one hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 737222303 1474444606 2948889212 3686111515 5160556121 7372223030 10321112242 14744446060 20642224484 25802780605 51605561210 103211122420