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122551356713 is a prime number
BaseRepresentation
bin111001000100010100…
…0010100110100101001
3102201022210222221221112
41302020220110310221
54001441121403323
6132144352520105
711565636226112
oct1621050246451
9381283887845
10122551356713
1147a79056195
121b902250035
13b7309585b6
145d08125209
1532c3e78178
hex1c88a14d29

122551356713 has 2 divisors, whose sum is σ = 122551356714. Its totient is φ = 122551356712.

The previous prime is 122551356703. The next prime is 122551356749. The reversal of 122551356713 is 317653155221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69702864169 + 52848492544 = 264013^2 + 229888^2 .

It is a cyclic number.

It is not a de Polignac number, because 122551356713 - 236 = 53831879977 is a prime.

It is a super-3 number, since 3×1225513567133 (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (122551356703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275678356 + 61275678357.

It is an arithmetic number, because the mean of its divisors is an integer number (61275678357).

Almost surely, 2122551356713 is an apocalyptic number.

It is an amenable number.

122551356713 is a deficient number, since it is larger than the sum of its proper divisors (1).

122551356713 is an equidigital number, since it uses as much as digits as its factorization.

122551356713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The spelling of 122551356713 in words is "one hundred twenty-two billion, five hundred fifty-one million, three hundred fifty-six thousand, seven hundred thirteen".