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40230404321 = 124873221783
BaseRepresentation
bin100101011101111010…
…110100000011100001
310211211201121021210212
4211131322310003201
51124342440414241
630252005103505
72622642536342
oct453572640341
9124751537725
1040230404321
1116075018238
1279690b7b95
133a41a23893
141d390260c9
1510a6d49beb
hex95deb40e1

40230404321 has 4 divisors (see below), whose sum is σ = 40233638592. Its totient is φ = 40227170052.

The previous prime is 40230404267. The next prime is 40230404327. The reversal of 40230404321 is 12340403204.

40230404321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 40230404321 - 218 = 40230142177 is a prime.

It is a super-2 number, since 2×402304043212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40230404327) 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, 1598405 + ... + 1623378.

It is an arithmetic number, because the mean of its divisors is an integer number (10058409648).

Almost surely, 240230404321 is an apocalyptic number.

It is an amenable number.

40230404321 is a deficient number, since it is larger than the sum of its proper divisors (3234271).

40230404321 is a wasteful number, since it uses less digits than its factorization.

40230404321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234270.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40230404321 its reverse (12340403204), we get a palindrome (52570807525).

The spelling of 40230404321 in words is "forty billion, two hundred thirty million, four hundred four thousand, three hundred twenty-one".

Divisors: 1 12487 3221783 40230404321