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56495722082 = 21680712
BaseRepresentation
bin110100100111011010…
…000100111001100010
312101211021200001011012
4310213122010321202
51411200401101312
641542003220522
74040005500002
oct644732047142
9171737601135
1056495722082
1121a613a9208
12ab48377742
135434753667
142a3d300002
151709c9d322
hexd27684e62

56495722082 has 6 divisors (see below), whose sum is σ = 84744087339. Its totient is φ = 28247692970.

The previous prime is 56495722067. The next prime is 56495722123. The reversal of 56495722082 is 28022759465.

Multipling 56495722082 by its sum of digits (50), we get a square (2824786104100 = 16807102).

It can be written as a sum of positive squares in only one way, i.e., 28247861041 + 28247861041 = 168071^2 + 168071^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=168071.

It is a super-2 number, since 2×564957220822 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56495722082.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 252107 + ... + 420177.

Almost surely, 256495722082 is an apocalyptic number.

56495722082 is a deficient number, since it is larger than the sum of its proper divisors (28248365257).

56495722082 is an frugal number, since it uses more digits than its factorization.

56495722082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336144 (or 168073 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 56495722082 in words is "fifty-six billion, four hundred ninety-five million, seven hundred twenty-two thousand, eighty-two".

Divisors: 1 2 168071 336142 28247861041 56495722082