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121030130269 is a prime number
BaseRepresentation
bin111000010110111110…
…1010011101001011101
3102120101210112122120101
41300231331103221131
53440332203132034
6131333411421101
711513145063436
oct1605575235135
9376353478511
10121030130269
1147368398254
121b5588b4791
13b54a7438c9
145c0209848d
153235639514
hex1c2df53a5d

121030130269 has 2 divisors, whose sum is σ = 121030130270. Its totient is φ = 121030130268.

The previous prime is 121030130261. The next prime is 121030130323. The reversal of 121030130269 is 962031030121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120711079225 + 319051044 = 347435^2 + 17862^2 .

It is a cyclic number.

It is not a de Polignac number, because 121030130269 - 23 = 121030130261 is a prime.

It is a super-2 number, since 2×1210301302692 (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 (121030130261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515065134 + 60515065135.

It is an arithmetic number, because the mean of its divisors is an integer number (60515065135).

Almost surely, 2121030130269 is an apocalyptic number.

It is an amenable number.

121030130269 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030130269 is an equidigital number, since it uses as much as digits as its factorization.

121030130269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 121030130269 in words is "one hundred twenty-one billion, thirty million, one hundred thirty thousand, two hundred sixty-nine".