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30748688141 is a prime number
BaseRepresentation
bin11100101000110000…
…111011111100001101
32221100221002012102112
4130220300323330031
51000433131010031
622043055033405
72135660352053
oct345060737415
987327065375
1030748688141
1112049918566
125b6180b865
132b90520732
1416b9a581d3
15bee71762b
hex728c3bf0d

30748688141 has 2 divisors, whose sum is σ = 30748688142. Its totient is φ = 30748688140.

The previous prime is 30748688107. The next prime is 30748688147. The reversal of 30748688141 is 14188684703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25737464041 + 5011224100 = 160429^2 + 70790^2 .

It is a cyclic number.

It is not a de Polignac number, because 30748688141 - 26 = 30748688077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30748688141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30748688147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15374344070 + 15374344071.

It is an arithmetic number, because the mean of its divisors is an integer number (15374344071).

Almost surely, 230748688141 is an apocalyptic number.

It is an amenable number.

30748688141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30748688141 is an equidigital number, since it uses as much as digits as its factorization.

30748688141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 30748688141 in words is "thirty billion, seven hundred forty-eight million, six hundred eighty-eight thousand, one hundred forty-one".