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48403960081 = 2200092
BaseRepresentation
bin101101000101000110…
…011101000100010001
311121221100120221110021
4231011012131010101
51243112403210311
634123024503441
73332331605101
oct550506350421
9147840527407
1048403960081
11195898566a4
12946a47ab81
1347451c25c9
1424b278b201
1513d46c9171
hexb4519d111

48403960081 has 3 divisors (see below), whose sum is σ = 48404180091. Its totient is φ = 48403740072.

The previous prime is 48403960067. The next prime is 48403960103. The reversal of 48403960081 is 18006930484.

The square root of 48403960081 is 220009.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10984926481 + 37419033600 = 104809^2 + 193440^2 .

It is not a de Polignac number, because 48403960081 - 229 = 47867089169 is a prime.

It is a super-2 number, since 2×484039600812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48403960061) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 110005 + ... + 330013.

It is an arithmetic number, because the mean of its divisors is an integer number (16134726697).

Almost surely, 248403960081 is an apocalyptic number.

48403960081 is the 220009-th square number.

48403960081 is the 110005-th centered octagonal number.

It is an amenable number.

48403960081 is a deficient number, since it is larger than the sum of its proper divisors (220010).

48403960081 is an frugal number, since it uses more digits than its factorization.

48403960081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440018 (or 220009 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 48403960081 in words is "forty-eight billion, four hundred three million, nine hundred sixty thousand, eighty-one".

Divisors: 1 220009 48403960081