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22049970655 = 510342815477
BaseRepresentation
bin10100100010010001…
…111101100111011111
32002220200220120022211
4110202101331213133
5330124243030110
614043555221251
71410263441506
oct244221754737
962820816284
1022049970655
1193956a7349
1243345a7827
1321052c9c1b
1410d266b83d
15890bee98a
hex52247d9df

22049970655 has 8 divisors (see below), whose sum is σ = 26716858272. Its totient is φ = 17468714208.

The previous prime is 22049970653. The next prime is 22049970673. The reversal of 22049970655 is 55607994022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22049970655 - 21 = 22049970653 is a prime.

It is a super-2 number, since 2×220499706552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22049970599 and 22049970608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22049970653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21407224 + ... + 21408253.

It is an arithmetic number, because the mean of its divisors is an integer number (3339607284).

Almost surely, 222049970655 is an apocalyptic number.

22049970655 is a deficient number, since it is larger than the sum of its proper divisors (4666887617).

22049970655 is a wasteful number, since it uses less digits than its factorization.

22049970655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42815585.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 22049970655 in words is "twenty-two billion, forty-nine million, nine hundred seventy thousand, six hundred fifty-five".

Divisors: 1 5 103 515 42815477 214077385 4409994131 22049970655