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103348042781 is a prime number
BaseRepresentation
bin110000001000000000…
…1011111110000011101
3100212202111120112112012
41200100001133300131
53143124044332111
6115251043121005
710316026604114
oct1402001376035
9325674515465
10103348042781
113a914304205
1218043073165
139990343349
145005984c7b
152a4d12c48b
hex181005fc1d

103348042781 has 2 divisors, whose sum is σ = 103348042782. Its totient is φ = 103348042780.

The previous prime is 103348042751. The next prime is 103348042789. The reversal of 103348042781 is 187240843301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83053476100 + 20294566681 = 288190^2 + 142459^2 .

It is a cyclic number.

It is not a de Polignac number, because 103348042781 - 26 = 103348042717 is a prime.

It is a super-2 number, since 2×1033480427812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103348042789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51674021390 + 51674021391.

It is an arithmetic number, because the mean of its divisors is an integer number (51674021391).

Almost surely, 2103348042781 is an apocalyptic number.

It is an amenable number.

103348042781 is a deficient number, since it is larger than the sum of its proper divisors (1).

103348042781 is an equidigital number, since it uses as much as digits as its factorization.

103348042781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 103348042781 in words is "one hundred three billion, three hundred forty-eight million, forty-two thousand, seven hundred eighty-one".