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1047055071 = 31207328909
BaseRepresentation
bin111110011010001…
…100101011011111
32200222012220112110
4332122030223133
54121021230241
6251522005103
734642551456
oct7632145337
92628186473
101047055071
11498042a77
122527a6793
13138c0401a
149d0b9b9d
1561dc8816
hex3e68cadf

1047055071 has 8 divisors (see below), whose sum is σ = 1396237360. Its totient is φ = 697954752.

The previous prime is 1047055069. The next prime is 1047055073. The reversal of 1047055071 is 1705507401.

It is an interprime number because it is at equal distance from previous prime (1047055069) and next prime (1047055073).

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

It is not a de Polignac number, because 1047055071 - 21 = 1047055069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047055073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21765 + ... + 50673.

It is an arithmetic number, because the mean of its divisors is an integer number (174529670).

Almost surely, 21047055071 is an apocalyptic number.

1047055071 is a deficient number, since it is larger than the sum of its proper divisors (349182289).

1047055071 is a wasteful number, since it uses less digits than its factorization.

1047055071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40985.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 1047055071 is about 32358.2303440717. The cubic root of 1047055071 is about 1015.4452400446.

The spelling of 1047055071 in words is "one billion, forty-seven million, fifty-five thousand, seventy-one".

Divisors: 1 3 12073 28909 36219 86727 349018357 1047055071