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48731880997 is a prime number
BaseRepresentation
bin101101011000101001…
…010111111000100101
311122210012122001101101
4231120221113320211
51244300330142442
634215341200101
73343423103542
oct553051277045
9148705561341
1048731880997
1119737970518
129540260031
134798117c57
14250414bbc9
1514033a0cb7
hexb58a57e25

48731880997 has 2 divisors, whose sum is σ = 48731880998. Its totient is φ = 48731880996.

The previous prime is 48731880943. The next prime is 48731881001. The reversal of 48731880997 is 79908813784.

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., 27704270916 + 21027610081 = 166446^2 + 145009^2 .

It is a cyclic number.

It is not a de Polignac number, because 48731880997 - 215 = 48731848229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48731880097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24365940498 + 24365940499.

It is an arithmetic number, because the mean of its divisors is an integer number (24365940499).

Almost surely, 248731880997 is an apocalyptic number.

It is an amenable number.

48731880997 is a deficient number, since it is larger than the sum of its proper divisors (1).

48731880997 is an equidigital number, since it uses as much as digits as its factorization.

48731880997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 48731880997 in words is "forty-eight billion, seven hundred thirty-one million, eight hundred eighty thousand, nine hundred ninety-seven".