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7055669961 = 321574993397
BaseRepresentation
bin1101001001000110…
…01111101011001001
3200012201111011121200
412210203033223021
5103422222414321
63124043254413
7336563130234
oct64443175311
920181434550
107055669961
112aa08182aa
12144ab1a409
138859c8052
144ad0cc41b
152b4663d26
hex1a48cfac9

7055669961 has 12 divisors (see below), whose sum is σ = 10256439492. Its totient is φ = 4673818656.

The previous prime is 7055669923. The next prime is 7055669977. The reversal of 7055669961 is 1699665507.

7055669961 is a `hidden beast` number, since 70 + 5 + 566 + 9 + 9 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4314519225 + 2741150736 = 65685^2 + 52356^2 .

It is not a de Polignac number, because 7055669961 - 27 = 7055669833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7055669898 and 7055669907.

It is not an unprimeable number, because it can be changed into a prime (7055669261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2495286 + ... + 2498111.

It is an arithmetic number, because the mean of its divisors is an integer number (854703291).

Almost surely, 27055669961 is an apocalyptic number.

It is an amenable number.

7055669961 is a deficient number, since it is larger than the sum of its proper divisors (3200769531).

7055669961 is a wasteful number, since it uses less digits than its factorization.

7055669961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993560 (or 4993557 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The square root of 7055669961 is about 83998.0354591701. The cubic root of 7055669961 is about 1917.9888845778.

The spelling of 7055669961 in words is "seven billion, fifty-five million, six hundred sixty-nine thousand, nine hundred sixty-one".

Divisors: 1 3 9 157 471 1413 4993397 14980191 44940573 783963329 2351889987 7055669961