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1841444113 = 3159401423
BaseRepresentation
bin110110111000010…
…0011010100010001
311202100000001102211
41231300203110101
512232402202423
6502420312121
763430005505
oct15560432421
94670001384
101841444113
118654a1243
12434842641
13234671002
141367c4305
15ab9e310d
hex6dc23511

1841444113 has 4 divisors (see below), whose sum is σ = 1900845568. Its totient is φ = 1782042660.

The previous prime is 1841444069. The next prime is 1841444119. The reversal of 1841444113 is 3114441481.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3114441481 = 4091761291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1841444113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 59401423 = 1841444113 / (1 + 8 + 4 + 1 + 4 + 4 + 4 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1841444119) 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, 29700681 + ... + 29700742.

It is an arithmetic number, because the mean of its divisors is an integer number (475211392).

It is a self-describing number.

Almost surely, 21841444113 is an apocalyptic number.

It is an amenable number.

1841444113 is a deficient number, since it is larger than the sum of its proper divisors (59401455).

1841444113 is an equidigital number, since it uses as much as digits as its factorization.

1841444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59401454.

The product of its digits is 6144, while the sum is 31.

The square root of 1841444113 is about 42912.0509064761. The cubic root of 1841444113 is about 1225.7056299467.

Adding to 1841444113 its reverse (3114441481), we get a palindrome (4955885594).

The spelling of 1841444113 in words is "one billion, eight hundred forty-one million, four hundred forty-four thousand, one hundred thirteen".

Divisors: 1 31 59401423 1841444113