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122760142781 is a prime number
BaseRepresentation
bin111001001010100010…
…0110001111110111101
3102201212100212101120212
41302111010301332331
54002403044032111
6132221211522205
711604052665623
oct1622504617675
9381770771525
10122760142781
114807599a261
121b960159365
13b764c9aa53
145d27b53513
1532d746a98b
hex1c95131fbd

122760142781 has 2 divisors, whose sum is σ = 122760142782. Its totient is φ = 122760142780.

The previous prime is 122760142751. The next prime is 122760142811. The reversal of 122760142781 is 187241067221.

It is a balanced prime because it is at equal distance from previous prime (122760142751) and next prime (122760142811).

It can be written as a sum of positive squares in only one way, i.e., 113680911556 + 9079231225 = 337166^2 + 95285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122760142781 is a prime.

It is a super-2 number, since 2×1227601427812 (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 (122760142721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61380071390 + 61380071391.

It is an arithmetic number, because the mean of its divisors is an integer number (61380071391).

Almost surely, 2122760142781 is an apocalyptic number.

It is an amenable number.

122760142781 is a deficient number, since it is larger than the sum of its proper divisors (1).

122760142781 is an equidigital number, since it uses as much as digits as its factorization.

122760142781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 122760142781 in words is "one hundred twenty-two billion, seven hundred sixty million, one hundred forty-two thousand, seven hundred eighty-one".