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1141312001 = 8313750747
BaseRepresentation
bin100010000000111…
…0000101000000001
32221112120122201212
41010001300220001
54314133441001
6305130135505
740165664144
oct10401605001
92845518655
101141312001
11536271665
1227a281595
131525b675b
14ab81405b
156a2e67bb
hex44070a01

1141312001 has 4 divisors (see below), whose sum is σ = 1155062832. Its totient is φ = 1127561172.

The previous prime is 1141311923. The next prime is 1141312021. The reversal of 1141312001 is 1002131411.

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: 1002131411 = 5807172573.

It is a cyclic number.

It is not a de Polignac number, because 1141312001 - 210 = 1141310977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141312021) 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, 6875291 + ... + 6875456.

It is an arithmetic number, because the mean of its divisors is an integer number (288765708).

Almost surely, 21141312001 is an apocalyptic number.

It is an amenable number.

1141312001 is a deficient number, since it is larger than the sum of its proper divisors (13750831).

1141312001 is an equidigital number, since it uses as much as digits as its factorization.

1141312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750830.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141312001 is about 33783.3095033628. The cubic root of 1141312001 is about 1045.0445257769.

Adding to 1141312001 its reverse (1002131411), we get a palindrome (2143443412).

The spelling of 1141312001 in words is "one billion, one hundred forty-one million, three hundred twelve thousand, one".

Divisors: 1 83 13750747 1141312001