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6550561051 = 31211308421
BaseRepresentation
bin1100001100111000…
…11010000100011011
3121220112000222110021
412012130122010123
5101403420423201
63002001131311
7321220564426
oct60634320433
917815028407
106550561051
112861691521
121329929b37
13805174738
14461da69bd
1528513bea1
hex18671a11b

6550561051 has 4 divisors (see below), whose sum is σ = 6761869504. Its totient is φ = 6339252600.

The previous prime is 6550561037. The next prime is 6550561099. The reversal of 6550561051 is 1501650556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6550561051 - 217 = 6550429979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6550560998 and 6550561016.

It is not an unprimeable number, because it can be changed into a prime (6550561651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105654180 + ... + 105654241.

It is an arithmetic number, because the mean of its divisors is an integer number (1690467376).

Almost surely, 26550561051 is an apocalyptic number.

6550561051 is a deficient number, since it is larger than the sum of its proper divisors (211308453).

6550561051 is a wasteful number, since it uses less digits than its factorization.

6550561051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211308452.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 6550561051 is about 80935.5363916247. The cubic root of 6550561051 is about 1871.0820518499.

The spelling of 6550561051 in words is "six billion, five hundred fifty million, five hundred sixty-one thousand, fifty-one".

Divisors: 1 31 211308421 6550561051