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1132020213 = 3377340071
BaseRepresentation
bin100001101111001…
…0100000111110101
32220220002120210120
41003132110013311
54304244121323
6304155042153
740024004322
oct10336240765
92826076716
101132020213
11530aa55a5
12277140359
131506b235c
14aa4b5b49
15695ad5e3
hex437941f5

1132020213 has 4 divisors (see below), whose sum is σ = 1509360288. Its totient is φ = 754680140.

The previous prime is 1132020179. The next prime is 1132020229. The reversal of 1132020213 is 3120202311.

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: 3120202311 = 31040067437.

It is a cyclic number.

It is not a de Polignac number, because 1132020213 - 29 = 1132019701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1132020192 and 1132020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132020413) 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, 188670033 + ... + 188670038.

It is an arithmetic number, because the mean of its divisors is an integer number (377340072).

Almost surely, 21132020213 is an apocalyptic number.

It is an amenable number.

1132020213 is a deficient number, since it is larger than the sum of its proper divisors (377340075).

1132020213 is an equidigital number, since it uses as much as digits as its factorization.

1132020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377340074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1132020213 is about 33645.5080657136. The cubic root of 1132020213 is about 1042.2007799653.

Adding to 1132020213 its reverse (3120202311), we get a palindrome (4252222524).

The spelling of 1132020213 in words is "one billion, one hundred thirty-two million, twenty thousand, two hundred thirteen".

Divisors: 1 3 377340071 1132020213