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248940908077 is a prime number
BaseRepresentation
bin1110011111011000001…
…0001100111000101101
3212210120010020102010111
43213312002030320231
513034312333024302
6310210055340021
723661662543131
oct3476602147055
9783503212114
10248940908077
119663671a874
12402b5981611
131a623832194
14c097cc13c1
15671ed640d7
hex39f608ce2d

248940908077 has 2 divisors, whose sum is σ = 248940908078. Its totient is φ = 248940908076.

The previous prime is 248940908057. The next prime is 248940908129. The reversal of 248940908077 is 770809049842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136830448836 + 112110459241 = 369906^2 + 334829^2 .

It is a cyclic number.

It is not a de Polignac number, because 248940908077 - 211 = 248940906029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248940908057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124470454038 + 124470454039.

It is an arithmetic number, because the mean of its divisors is an integer number (124470454039).

Almost surely, 2248940908077 is an apocalyptic number.

It is an amenable number.

248940908077 is a deficient number, since it is larger than the sum of its proper divisors (1).

248940908077 is an equidigital number, since it uses as much as digits as its factorization.

248940908077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 248940908077 in words is "two hundred forty-eight billion, nine hundred forty million, nine hundred eight thousand, seventy-seven".