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7054550644 = 221763637661
BaseRepresentation
bin1101001000111101…
…11110011001110100
3200012122101022012111
412210132332121310
5103421431110034
63124003300404
7336550456021
oct64436763164
920178338174
107054550644
112aa0123349
12144a67a704
138856c572b
144accba548
152b44e2364
hex1a47be674

7054550644 has 6 divisors (see below), whose sum is σ = 12345463634. Its totient is φ = 3527275320.

The previous prime is 7054550627. The next prime is 7054550663. The reversal of 7054550644 is 4460554507.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7032835044 + 21715600 = 83862^2 + 4660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7054550597 and 7054550606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 881818827 + ... + 881818834.

Almost surely, 27054550644 is an apocalyptic number.

It is an amenable number.

7054550644 is a deficient number, since it is larger than the sum of its proper divisors (5290912990).

7054550644 is a wasteful number, since it uses less digits than its factorization.

7054550644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763637665 (or 1763637663 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

The square root of 7054550644 is about 83991.3724378879. The cubic root of 7054550644 is about 1917.8874554619.

The spelling of 7054550644 in words is "seven billion, fifty-four million, five hundred fifty thousand, six hundred forty-four".

Divisors: 1 2 4 1763637661 3527275322 7054550644