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3820633669 = 171371640461
BaseRepresentation
bin1110001110111010…
…0011111001000101
3100212021012022002201
43203232203321011
530311040234134
61431041234501
7163451564446
oct34356437105
910767168081
103820633669
111690714696
128a7632a31
1348b7100a8
142835c32cd
15175644914
hexe3ba3e45

3820633669 has 8 divisors (see below), whose sum is σ = 4074907608. Its totient is φ = 3569640960.

The previous prime is 3820633651. The next prime is 3820633717. The reversal of 3820633669 is 9663360283.

It can be written as a sum of positive squares in 4 ways, for example, as 352012644 + 3468621025 = 18762^2 + 58895^2 .

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

It is not a de Polignac number, because 3820633669 - 25 = 3820633637 is a prime.

It is a super-2 number, since 2×38206336692 = 29194483265392803122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820633969) 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, 817902 + ... + 822559.

It is an arithmetic number, because the mean of its divisors is an integer number (509363451).

Almost surely, 23820633669 is an apocalyptic number.

It is an amenable number.

3820633669 is a deficient number, since it is larger than the sum of its proper divisors (254273939).

3820633669 is a wasteful number, since it uses less digits than its factorization.

3820633669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640615.

The product of its (nonzero) digits is 839808, while the sum is 46.

The square root of 3820633669 is about 61811.2746107051. The cubic root of 3820633669 is about 1563.3100968638.

The spelling of 3820633669 in words is "three billion, eight hundred twenty million, six hundred thirty-three thousand, six hundred sixty-nine".

Divisors: 1 17 137 2329 1640461 27887837 224743157 3820633669