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1012124305 = 5533819337
BaseRepresentation
bin111100010100111…
…100101010010001
32121112111020112101
4330110330222101
54033100434210
6244233200401
734036625503
oct7424745221
92545436471
101012124305
1147a354a75
12242b60101
131318c392a
14985c5d73
155dcc8a3a
hex3c53ca91

1012124305 has 8 divisors (see below), whose sum is σ = 1237465512. Its totient is φ = 794421888.

The previous prime is 1012124303. The next prime is 1012124329. The reversal of 1012124305 is 5034212101.

1012124305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 475414416 + 536709889 = 21804^2 + 23167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1012124305 - 21 = 1012124303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012124303) 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, 1909404 + ... + 1909933.

It is an arithmetic number, because the mean of its divisors is an integer number (154683189).

Almost surely, 21012124305 is an apocalyptic number.

It is an amenable number.

1012124305 is a deficient number, since it is larger than the sum of its proper divisors (225341207).

1012124305 is an equidigital number, since it uses as much as digits as its factorization.

1012124305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819395.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1012124305 is about 31813.9011282804. The cubic root of 1012124305 is about 1004.0252109377.

Adding to 1012124305 its reverse (5034212101), we get a palindrome (6046336406).

The spelling of 1012124305 in words is "one billion, twelve million, one hundred twenty-four thousand, three hundred five".

Divisors: 1 5 53 265 3819337 19096685 202424861 1012124305