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122155192343 is a prime number
BaseRepresentation
bin111000111000100000…
…1000101000000010111
3102200022012112201121002
41301301001011000113
54000133212123333
6132041201413515
711553056001002
oct1616101050027
9380265481532
10122155192343
1147895470018
121b81163a29b
13b69985ab02
145cab67c539
15329e2c10e8
hex1c71045017

122155192343 has 2 divisors, whose sum is σ = 122155192344. Its totient is φ = 122155192342.

The previous prime is 122155192307. The next prime is 122155192381. The reversal of 122155192343 is 343291551221.

It is an a-pointer prime, because the next prime (122155192381) can be obtained adding 122155192343 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122155192343 - 212 = 122155188247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122155192297 and 122155192306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122155192043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61077596171 + 61077596172.

It is an arithmetic number, because the mean of its divisors is an integer number (61077596172).

Almost surely, 2122155192343 is an apocalyptic number.

122155192343 is a deficient number, since it is larger than the sum of its proper divisors (1).

122155192343 is an equidigital number, since it uses as much as digits as its factorization.

122155192343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The spelling of 122155192343 in words is "one hundred twenty-two billion, one hundred fifty-five million, one hundred ninety-two thousand, three hundred forty-three".