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2005453012031 = 72958937167621
BaseRepresentation
bin11101001011101110010…
…100000111110000111111
321002201102110122120012122
4131023232110013300333
5230324131432341111
64133143053553155
7264613665225230
oct35135624076077
97081373576178
102005453012031
11703564a414a7
122848061a57bb
13117162205901
146d0c8b95087
1537276ab9cdb
hex1d2ee507c3f

2005453012031 has 16 divisors (see below), whose sum is σ = 2371033304640. Its totient is φ = 1659647189760.

The previous prime is 2005453012027. The next prime is 2005453012039. The reversal of 2005453012031 is 1302103545002.

It is a happy number.

It is not a de Polignac number, because 2005453012031 - 22 = 2005453012027 is a prime.

It is a super-2 number, since 2×20054530120312 (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 (2005453012039) 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, 11880401 + ... + 12048021.

It is an arithmetic number, because the mean of its divisors is an integer number (148189581540).

Almost surely, 22005453012031 is an apocalyptic number.

2005453012031 is a deficient number, since it is larger than the sum of its proper divisors (365580292609).

2005453012031 is a wasteful number, since it uses less digits than its factorization.

2005453012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226594.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 2005453012031 its reverse (1302103545002), we get a palindrome (3307556557033).

The spelling of 2005453012031 in words is "two trillion, five billion, four hundred fifty-three million, twelve thousand, thirty-one".

Divisors: 1 7 29 203 58937 167621 412559 1173347 1709173 4861009 11964211 34027063 9879078877 69153552139 286493287433 2005453012031