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30213054453 = 3101709140639
BaseRepresentation
bin11100001000110101…
…101001111111110101
32212222121012012010210
4130020311221333311
5443334020220303
621514002340033
72116464503601
oct341065517765
985877165123
1030213054453
11118a4532a9a
125a3235a619
132b0657031a
141668868501
15bbc6b1203
hex708d69ff5

30213054453 has 16 divisors (see below), whose sum is σ = 40740595200. Its totient is φ = 19914340800.

The previous prime is 30213054401. The next prime is 30213054463. The reversal of 30213054453 is 35445031203.

It is not a de Polignac number, because 30213054453 - 216 = 30212988917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213054453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213054463) 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, 144508 + ... + 285146.

It is an arithmetic number, because the mean of its divisors is an integer number (2546287200).

Almost surely, 230213054453 is an apocalyptic number.

It is an amenable number.

30213054453 is a deficient number, since it is larger than the sum of its proper divisors (10527540747).

30213054453 is a wasteful number, since it uses less digits than its factorization.

30213054453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141452.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 30213054453 its reverse (35445031203), we get a palindrome (65658085656).

The spelling of 30213054453 in words is "thirty billion, two hundred thirteen million, fifty-four thousand, four hundred fifty-three".

Divisors: 1 3 101 303 709 2127 71609 140639 214827 421917 14204539 42613617 99713051 299139153 10071018151 30213054453