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2213032553 = 4747085799
BaseRepresentation
bin1000001111101000…
…0011001001101001
312201020012200221122
42003322003021221
514013014020203
61003332545025
7105561315644
oct20372031151
95636180848
102213032553
11a36221126
12519182175
13293645624
1416dcb0a5b
15ce443538
hex83e83269

2213032553 has 4 divisors (see below), whose sum is σ = 2260118400. Its totient is φ = 2165946708.

The previous prime is 2213032537. The next prime is 2213032571. The reversal of 2213032553 is 3552303122.

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: 3552303122 = 21776151561.

It is a cyclic number.

It is not a de Polignac number, because 2213032553 - 24 = 2213032537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213032573) 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, 23542853 + ... + 23542946.

It is an arithmetic number, because the mean of its divisors is an integer number (565029600).

Almost surely, 22213032553 is an apocalyptic number.

It is an amenable number.

2213032553 is a deficient number, since it is larger than the sum of its proper divisors (47085847).

2213032553 is an equidigital number, since it uses as much as digits as its factorization.

2213032553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47085846.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2213032553 is about 47042.8799394765. The cubic root of 2213032553 is about 1303.1545781638.

Adding to 2213032553 its reverse (3552303122), we get a palindrome (5765335675).

The spelling of 2213032553 in words is "two billion, two hundred thirteen million, thirty-two thousand, five hundred fifty-three".

Divisors: 1 47 47085799 2213032553