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2205104331205 = 51946434999273
BaseRepresentation
bin100000000101101010011…
…101011101100111000101
321210210202111211102112101
4200011222131131213011
5242112023202044310
64405002210352101
7315212353361116
oct40055235354705
97723674742471
102205104331205
117801a79a9626
122b7444b8b631
1312cc2c211169
1478a2883020d
153c55e61643a
hex2016a75d9c5

2205104331205 has 16 divisors (see below), whose sum is σ = 2785995414720. Its totient is φ = 1670876684928.

The previous prime is 2205104331203. The next prime is 2205104331259. The reversal of 2205104331205 is 5021334015022.

It is a cyclic number.

It is not a de Polignac number, because 2205104331205 - 21 = 2205104331203 is a prime.

It is a super-2 number, since 2×22051043312052 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205104331203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058552 + ... + 2940721.

It is an arithmetic number, because the mean of its divisors is an integer number (174124713420).

Almost surely, 22205104331205 is an apocalyptic number.

It is an amenable number.

2205104331205 is a deficient number, since it is larger than the sum of its proper divisors (580891083515).

2205104331205 is a wasteful number, since it uses less digits than its factorization.

2205104331205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003940.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2205104331205 its reverse (5021334015022), we get a palindrome (7226438346227).

The spelling of 2205104331205 in words is "two trillion, two hundred five billion, one hundred four million, three hundred thirty-one thousand, two hundred five".

Divisors: 1 5 19 95 4643 23215 88217 441085 4999273 24996365 94986187 474930935 23211624539 116058122695 441020866241 2205104331205