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103121230049 is a prime number
BaseRepresentation
bin110000000001010000…
…0010001100011100001
3100212011200210020221122
41200002200101203201
53142143013330144
6115212341502025
710310303664365
oct1400240214341
9325150706848
10103121230049
113a808278472
1217b9b111915
13995535ba26
144dc37c32a5
152a382787ee
hex18028118e1

103121230049 has 2 divisors, whose sum is σ = 103121230050. Its totient is φ = 103121230048.

The previous prime is 103121230039. The next prime is 103121230103. The reversal of 103121230049 is 940032121301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88963799824 + 14157430225 = 298268^2 + 118985^2 .

It is a cyclic number.

It is not a de Polignac number, because 103121230049 - 24 = 103121230033 is a prime.

It is not a weakly prime, because it can be changed into another prime (103121230039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560615024 + 51560615025.

It is an arithmetic number, because the mean of its divisors is an integer number (51560615025).

Almost surely, 2103121230049 is an apocalyptic number.

It is an amenable number.

103121230049 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121230049 is an equidigital number, since it uses as much as digits as its factorization.

103121230049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 103121230049 in words is "one hundred three billion, one hundred twenty-one million, two hundred thirty thousand, forty-nine".