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122153055197 is a prime number
BaseRepresentation
bin111000111000011100…
…0111011001111011101
3102200022001112010222112
41301300320323033131
54000132140231242
6132041043523405
711553031560155
oct1616070731735
9380261463875
10122153055197
1147894240388
121b810989565
13b699290124
145cab283765
15329deecc82
hex1c70e3b3dd

122153055197 has 2 divisors, whose sum is σ = 122153055198. Its totient is φ = 122153055196.

The previous prime is 122153055191. The next prime is 122153055203. The reversal of 122153055197 is 791550351221.

It is a balanced prime because it is at equal distance from previous prime (122153055191) and next prime (122153055203).

It can be written as a sum of positive squares in only one way, i.e., 119874520441 + 2278534756 = 346229^2 + 47734^2 .

It is a cyclic number.

It is not a de Polignac number, because 122153055197 - 218 = 122152793053 is a prime.

It is a super-2 number, since 2×1221530551972 (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 (122153055191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61076527598 + 61076527599.

It is an arithmetic number, because the mean of its divisors is an integer number (61076527599).

Almost surely, 2122153055197 is an apocalyptic number.

It is an amenable number.

122153055197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122153055197 is an equidigital number, since it uses as much as digits as its factorization.

122153055197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 122153055197 in words is "one hundred twenty-two billion, one hundred fifty-three million, fifty-five thousand, one hundred ninety-seven".