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2231304513 = 33791962449
BaseRepresentation
bin1000010011111111…
…0000000101000001
312202111121000100220
42010333300011001
514032203221023
61005224333253
7106202526654
oct20477600501
95674530326
102231304513
11a45571119
12523314229
13297372339
141724a989b
15d0d523e3
hex84ff0141

2231304513 has 8 divisors (see below), whose sum is σ = 2982924000. Its totient is φ = 1483610688.

The previous prime is 2231304511. The next prime is 2231304541. The reversal of 2231304513 is 3154031322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231304513 - 21 = 2231304511 is a prime.

It is a super-3 number, since 3×22313045133 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231304511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980088 + ... + 982361.

It is an arithmetic number, because the mean of its divisors is an integer number (372865500).

Almost surely, 22231304513 is an apocalyptic number.

It is an amenable number.

2231304513 is a deficient number, since it is larger than the sum of its proper divisors (751619487).

2231304513 is a wasteful number, since it uses less digits than its factorization.

2231304513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962831.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2231304513 is about 47236.6860924854. The cubic root of 2231304513 is about 1306.7312622154.

Adding to 2231304513 its reverse (3154031322), we get a palindrome (5385335835).

The spelling of 2231304513 in words is "two billion, two hundred thirty-one million, three hundred four thousand, five hundred thirteen".

Divisors: 1 3 379 1137 1962449 5887347 743768171 2231304513