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5006000061 = 325209106781
BaseRepresentation
bin1001010100110000…
…10111111110111101
3110220212200011002200
410222120113332331
540223014000221
62144423542113
7235024204236
oct45230277675
913825604080
105006000061
112139835a37
12b785ba939
1361a17c91a
14356bc408d
151e473e426
hex12a617fbd

5006000061 has 12 divisors (see below), whose sum is σ = 7232344860. Its totient is φ = 3336661440.

The previous prime is 5006000059. The next prime is 5006000089. The reversal of 5006000061 is 1600006005.

5006000061 is a `hidden beast` number, since 5 + 0 + 0 + 600 + 0 + 0 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4856696100 + 149303961 = 69690^2 + 12219^2 .

It is not a de Polignac number, because 5006000061 - 21 = 5006000059 is a prime.

It is a super-2 number, since 2×50060000612 = 50120073221464007442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5005999998 and 5006000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5006000161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6510 + ... + 100271.

It is an arithmetic number, because the mean of its divisors is an integer number (602695405).

Almost surely, 25006000061 is an apocalyptic number.

It is an amenable number.

5006000061 is a deficient number, since it is larger than the sum of its proper divisors (2226344799).

5006000061 is a wasteful number, since it uses less digits than its factorization.

5006000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111996 (or 111993 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5006000061 is about 70753.0922363115. The cubic root of 5006000061 is about 1710.6596705898.

Adding to 5006000061 its reverse (1600006005), we get a palindrome (6606006066).

The spelling of 5006000061 in words is "five billion, six million, sixty-one", and thus it is an aban number and an uban number.

Divisors: 1 3 9 5209 15627 46881 106781 320343 961029 556222229 1668666687 5006000061