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1400012041 = 6781206461
BaseRepresentation
bin101001101110010…
…0111110100001001
310121120100222110211
41103130213310021
510331400341131
6350531041121
746456622521
oct12334476411
93546328424
101400012041
116592a784a
12330a401a1
131940840bc
14d3d16681
1582d985b1
hex53727d09

1400012041 has 4 divisors (see below), whose sum is σ = 1400225284. Its totient is φ = 1399798800.

The previous prime is 1400012027. The next prime is 1400012051. The reversal of 1400012041 is 1402100041.

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 546203641 + 853808400 = 23371^2 + 29220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400012041 - 27 = 1400011913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400012021) 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, 96450 + ... + 110011.

It is an arithmetic number, because the mean of its divisors is an integer number (350056321).

Almost surely, 21400012041 is an apocalyptic number.

It is an amenable number.

1400012041 is a deficient number, since it is larger than the sum of its proper divisors (213243).

1400012041 is an equidigital number, since it uses as much as digits as its factorization.

1400012041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213242.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1400012041 is about 37416.7347720241. The cubic root of 1400012041 is about 1118.6921492469.

Adding to 1400012041 its reverse (1402100041), we get a palindrome (2802112082).

The spelling of 1400012041 in words is "one billion, four hundred million, twelve thousand, forty-one".

Divisors: 1 6781 206461 1400012041