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145053242212 = 22477207107057
BaseRepresentation
bin1000011100010111011…
…0001101001101100100
3111212102000021011220011
42013011312031031210
54334032112222322
6150345254220004
713323361133614
oct2070566151544
9455360234804
10145053242212
115657585687a
1224142054604
13108a8772948
1470407cca44
153b8e693677
hex21c5d8d364

145053242212 has 24 divisors (see below), whose sum is σ = 259282485504. Its totient is φ = 70972989312.

The previous prime is 145053242177. The next prime is 145053242219. The reversal of 145053242212 is 212242350541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145053242219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301388 + ... + 1408444.

It is an arithmetic number, because the mean of its divisors is an integer number (10803436896).

Almost surely, 2145053242212 is an apocalyptic number.

It is an amenable number.

145053242212 is a deficient number, since it is larger than the sum of its proper divisors (114229243292).

145053242212 is a wasteful number, since it uses less digits than its factorization.

145053242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114315 (or 114313 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 145053242212 its reverse (212242350541), we get a palindrome (357295592753).

The spelling of 145053242212 in words is "one hundred forty-five billion, fifty-three million, two hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 7207 14414 28828 107057 214114 338729 428228 677458 1354916 5031679 10063358 20126716 771559799 1543119598 3086239196 36263310553 72526621106 145053242212