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155348328101 is a prime number
BaseRepresentation
bin1001000010101101111…
…0110101111010100101
3112211222111021201202112
42100223132311322211
510021123132444401
6155211021450405
714136451000361
oct2205336657245
9484874251675
10155348328101
115a97909921a
1226135a10a05
131185962a245
147739c062a1
1540933de3bb
hex242b7b5ea5

155348328101 has 2 divisors, whose sum is σ = 155348328102. Its totient is φ = 155348328100.

The previous prime is 155348328043. The next prime is 155348328103. The reversal of 155348328101 is 101823843551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83859472225 + 71488855876 = 289585^2 + 267374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-155348328101 is a prime.

Together with 155348328103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155348328103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77674164050 + 77674164051.

It is an arithmetic number, because the mean of its divisors is an integer number (77674164051).

Almost surely, 2155348328101 is an apocalyptic number.

It is an amenable number.

155348328101 is a deficient number, since it is larger than the sum of its proper divisors (1).

155348328101 is an equidigital number, since it uses as much as digits as its factorization.

155348328101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 155348328101 in words is "one hundred fifty-five billion, three hundred forty-eight million, three hundred twenty-eight thousand, one hundred one".