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48404344649 = 89233212
BaseRepresentation
bin101101000101000111…
…111010111101001001
311121221101022110222112
4231011013322331021
51243113003012044
634123041032105
73332335066223
oct550507727511
9147841273875
1048404344649
1119589a99621
12946a625635
1347452c866b
1424b284b413
1513d475309e
hexb451faf49

48404344649 has 6 divisors (see below), whose sum is σ = 48950312670. Its totient is φ = 47858423360.

The previous prime is 48404344633. The next prime is 48404344669. The reversal of 48404344649 is 94644340484.

It can be written as a sum of positive squares in 3 ways, for example, as 1733223424 + 46671121225 = 41632^2 + 216035^2 .

It is not a de Polignac number, because 48404344649 - 24 = 48404344633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48404344597 and 48404344606.

It is not an unprimeable number, because it can be changed into a prime (48404344669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2063909 + ... + 2087229.

It is an arithmetic number, because the mean of its divisors is an integer number (8158385445).

Almost surely, 248404344649 is an apocalyptic number.

It is an amenable number.

48404344649 is a deficient number, since it is larger than the sum of its proper divisors (545968021).

48404344649 is an frugal number, since it uses more digits than its factorization.

48404344649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46731 (or 23410 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 48404344649 in words is "forty-eight billion, four hundred four million, three hundred forty-four thousand, six hundred forty-nine".

Divisors: 1 89 23321 2075569 543869041 48404344649