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1132403213 = 10111211913
BaseRepresentation
bin100001101111111…
…0001101000001101
32220220211001011202
41003133301220031
54304343400323
6304211155245
740030161044
oct10337615015
92826731152
101132403213
11531237327
122772a5b25
131507b7796
14aa57555b
1569636d28
hex437f1a0d

1132403213 has 4 divisors (see below), whose sum is σ = 1143615228. Its totient is φ = 1121191200.

The previous prime is 1132403189. The next prime is 1132403243. The reversal of 1132403213 is 3123042311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123042311 = 10130921211.

It can be written as a sum of positive squares in 2 ways, for example, as 1117364329 + 15038884 = 33427^2 + 3878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132403213 - 222 = 1128208909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132403243) 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, 5605856 + ... + 5606057.

It is an arithmetic number, because the mean of its divisors is an integer number (285903807).

Almost surely, 21132403213 is an apocalyptic number.

It is an amenable number.

1132403213 is a deficient number, since it is larger than the sum of its proper divisors (11212015).

1132403213 is a wasteful number, since it uses less digits than its factorization.

1132403213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212014.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1132403213 is about 33651.1992802634. The cubic root of 1132403213 is about 1042.3183037474.

Adding to 1132403213 its reverse (3123042311), we get a palindrome (4255445524).

The spelling of 1132403213 in words is "one billion, one hundred thirty-two million, four hundred three thousand, two hundred thirteen".

Divisors: 1 101 11211913 1132403213