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122038247381 is a prime number
BaseRepresentation
bin111000110101000001…
…0111101111111010101
3102200000001111022021012
41301222002331333111
53444413242404011
6132021423102005
711550135662411
oct1615202757725
9380001438235
10122038247381
1147835455596
121b79a441905
13b67b5635cb
145c99d19d41
153293dc0a8b
hex1c6a0bdfd5

122038247381 has 2 divisors, whose sum is σ = 122038247382. Its totient is φ = 122038247380.

The previous prime is 122038247377. The next prime is 122038247447. The reversal of 122038247381 is 183742830221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106755106756 + 15283140625 = 326734^2 + 123625^2 .

It is a cyclic number.

It is not a de Polignac number, because 122038247381 - 22 = 122038247377 is a prime.

It is a super-2 number, since 2×1220382473812 (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 (122038207381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61019123690 + 61019123691.

It is an arithmetic number, because the mean of its divisors is an integer number (61019123691).

Almost surely, 2122038247381 is an apocalyptic number.

It is an amenable number.

122038247381 is a deficient number, since it is larger than the sum of its proper divisors (1).

122038247381 is an equidigital number, since it uses as much as digits as its factorization.

122038247381 is an evil number, because the sum of its binary digits is even.

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

The spelling of 122038247381 in words is "one hundred twenty-two billion, thirty-eight million, two hundred forty-seven thousand, three hundred eighty-one".