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3800066761 = 20347186763
BaseRepresentation
bin1110001010000000…
…0110101011001001
3100210211111101121101
43202200012223021
530240304114021
61425024341401
7163112014561
oct34240065311
910724441541
103800066761
111680047447
128a0774861
1348738b91a
1428098bda1
15173930a91
hexe2806ac9

3800066761 has 4 divisors (see below), whose sum is σ = 3800273872. Its totient is φ = 3799859652.

The previous prime is 3800066741. The next prime is 3800066789. The reversal of 3800066761 is 1676600083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3800066761 - 219 = 3799542473 is a prime.

It is a super-2 number, since 2×38000667612 = 28881014776114062242, which 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 3800066761.

It is not an unprimeable number, because it can be changed into a prime (3800066741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 73035 + ... + 113728.

It is an arithmetic number, because the mean of its divisors is an integer number (950068468).

Almost surely, 23800066761 is an apocalyptic number.

It is an amenable number.

3800066761 is a deficient number, since it is larger than the sum of its proper divisors (207111).

3800066761 is a wasteful number, since it uses less digits than its factorization.

3800066761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207110.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3800066761 is about 61644.6815305262. The cubic root of 3800066761 is about 1560.4998892441.

The spelling of 3800066761 in words is "three billion, eight hundred million, sixty-six thousand, seven hundred sixty-one".

Divisors: 1 20347 186763 3800066761