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1049912077 = 2574085261
BaseRepresentation
bin111110100101000…
…110001100001101
32201011121001121111
4332211012030031
54122234141302
6252103132021
735006051104
oct7645061415
92634531544
101049912077
11499714535
12253744011
13139694566
149d62103b
15622900d7
hex3e94630d

1049912077 has 4 divisors (see below), whose sum is σ = 1053997596. Its totient is φ = 1045826560.

The previous prime is 1049912057. The next prime is 1049912081. The reversal of 1049912077 is 7702199401.

1049912077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 609793636 + 440118441 = 24694^2 + 20979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1049912077 is a prime.

It is a super-2 number, since 2×10499120772 = 2204630738860907858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049912057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2042374 + ... + 2042887.

It is an arithmetic number, because the mean of its divisors is an integer number (263499399).

Almost surely, 21049912077 is an apocalyptic number.

It is an amenable number.

1049912077 is a deficient number, since it is larger than the sum of its proper divisors (4085519).

1049912077 is an equidigital number, since it uses as much as digits as its factorization.

1049912077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085518.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1049912077 is about 32402.3467822934. The cubic root of 1049912077 is about 1016.3679863033.

The spelling of 1049912077 in words is "one billion, forty-nine million, nine hundred twelve thousand, seventy-seven".

Divisors: 1 257 4085261 1049912077