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11304554321 = 52121697801
BaseRepresentation
bin10101000011100110…
…11100111101010001
31002011211111212020002
422201303130331101
5141122431214241
65105423455345
7550065061214
oct124163347521
932154455202
1011304554321
114881142a85
122235a57555
1310b205b3c8
1479350b77b
1546269c89b
hex2a1cdcf51

11304554321 has 4 divisors (see below), whose sum is σ = 11326252644. Its totient is φ = 11282856000.

The previous prime is 11304554237. The next prime is 11304554329. The reversal of 11304554321 is 12345540311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2553887296 + 8750667025 = 50536^2 + 93545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11304554321 is a prime.

It is a super-3 number, since 3×113045543213 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304554329) 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, 10848380 + ... + 10849421.

It is an arithmetic number, because the mean of its divisors is an integer number (2831563161).

Almost surely, 211304554321 is an apocalyptic number.

It is an amenable number.

11304554321 is a deficient number, since it is larger than the sum of its proper divisors (21698323).

11304554321 is an equidigital number, since it uses as much as digits as its factorization.

11304554321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698322.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 11304554321 in words is "eleven billion, three hundred four million, five hundred fifty-four thousand, three hundred twenty-one".

Divisors: 1 521 21697801 11304554321