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2031530440132 = 221729875447649
BaseRepresentation
bin11101100100000000101…
…001100111010111000100
321012012201211221011112001
4131210000221213113010
5231241033243041012
64153134443435044
7266526134552344
oct35440051472704
97165654834461
102031530440132
11713626a76176
12289883525a84
13119759a18b3b
1470480282d24
1537ca1165357
hex1d900a675c4

2031530440132 has 12 divisors (see below), whose sum is σ = 3764306403900. Its totient is φ = 956014324736.

The previous prime is 2031530440111. The next prime is 2031530440141. The reversal of 2031530440132 is 2310440351302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1634572478016 + 396957962116 = 1278504^2 + 630046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031530440132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14937723757 + ... + 14937723892.

It is an arithmetic number, because the mean of its divisors is an integer number (313692200325).

Almost surely, 22031530440132 is an apocalyptic number.

It is an amenable number.

2031530440132 is a deficient number, since it is larger than the sum of its proper divisors (1732775963768).

2031530440132 is a wasteful number, since it uses less digits than its factorization.

2031530440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29875447670 (or 29875447668 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 2031530440132 its reverse (2310440351302), we get a palindrome (4341970791434).

The spelling of 2031530440132 in words is "two trillion, thirty-one billion, five hundred thirty million, four hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 29875447649 59750895298 119501790596 507882610033 1015765220066 2031530440132