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4405121224001 = 19872216970923
BaseRepresentation
bin100000000011010010110…
…1011111000110101000001
3120121010101110202012112222
41000012211223320311001
51034133142013132001
613211403523500425
7633155003411261
oct100064553706501
916533343665488
104405121224001
1114492240a93a3
125b18aa227715
1325c52a42a724
141132cd71b7a1
15798c22a361b
hex401a5af8d41

4405121224001 has 4 divisors (see below), whose sum is σ = 4407338196912. Its totient is φ = 4402904251092.

The previous prime is 4405121223959. The next prime is 4405121224003. The reversal of 4405121224001 is 1004221215044.

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 4405121224001 - 222 = 4405117029697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4405121224003) 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, 1108483475 + ... + 1108487448.

It is an arithmetic number, because the mean of its divisors is an integer number (1101834549228).

Almost surely, 24405121224001 is an apocalyptic number.

It is an amenable number.

4405121224001 is a deficient number, since it is larger than the sum of its proper divisors (2216972911).

4405121224001 is a wasteful number, since it uses less digits than its factorization.

4405121224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216972910.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 4405121224001 its reverse (1004221215044), we get a palindrome (5409342439045).

The spelling of 4405121224001 in words is "four trillion, four hundred five billion, one hundred twenty-one million, two hundred twenty-four thousand, one".

Divisors: 1 1987 2216970923 4405121224001