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2207066645 = 57101624347
BaseRepresentation
bin1000001110001101…
…0010101000010101
312200210222121021002
42003203102220111
514010002113040
61003001033045
7105456520430
oct20343225025
95623877232
102207066645
11a32916923
12517185785
13292336cc4
1416d19a817
15cdb65a15
hex838d2a15

2207066645 has 16 divisors (see below), whose sum is σ = 3056807808. Its totient is φ = 1498430400.

The previous prime is 2207066639. The next prime is 2207066677. The reversal of 2207066645 is 5466607022.

It is not a de Polignac number, because 2207066645 - 212 = 2207062549 is a prime.

It is a super-2 number, since 2×22070666452 = 9742286350943112050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2207066599 and 2207066608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308639 + ... + 315708.

It is an arithmetic number, because the mean of its divisors is an integer number (191050488).

Almost surely, 22207066645 is an apocalyptic number.

It is an amenable number.

2207066645 is a deficient number, since it is larger than the sum of its proper divisors (849741163).

2207066645 is a wasteful number, since it uses less digits than its factorization.

2207066645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624460.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2207066645 is about 46979.4278913654. The cubic root of 2207066645 is about 1301.9825066884.

The spelling of 2207066645 in words is "two billion, two hundred seven million, sixty-six thousand, six hundred forty-five".

Divisors: 1 5 7 35 101 505 707 3535 624347 3121735 4370429 21852145 63059047 315295235 441413329 2207066645