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48781680401 is a prime number
BaseRepresentation
bin101101011011100111…
…010101111100010001
311122220200100010022202
4231123213111330101
51244401102233101
634224320412545
73344566304366
oct553347257421
9148820303282
1048781680401
1119762a94553
129554a77155
1347a5532c5c
14250a9d246d
15140793b36b
hexb5b9d5f11

48781680401 has 2 divisors, whose sum is σ = 48781680402. Its totient is φ = 48781680400.

The previous prime is 48781680379. The next prime is 48781680449. The reversal of 48781680401 is 10408618784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46012395025 + 2769285376 = 214505^2 + 52624^2 .

It is a cyclic number.

It is not a de Polignac number, because 48781680401 - 214 = 48781664017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (48781680491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390840200 + 24390840201.

It is an arithmetic number, because the mean of its divisors is an integer number (24390840201).

Almost surely, 248781680401 is an apocalyptic number.

It is an amenable number.

48781680401 is a deficient number, since it is larger than the sum of its proper divisors (1).

48781680401 is an equidigital number, since it uses as much as digits as its factorization.

48781680401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 48781680401 in words is "forty-eight billion, seven hundred eighty-one million, six hundred eighty thousand, four hundred one".