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30253451252 = 2219398071727
BaseRepresentation
bin11100001011001111…
…110000011111110100
32220002102012120010112
4130023033300133310
5443424340420002
621522004242152
72120465043533
oct341317603764
986072176115
1030253451252
1111915314782
125a439a0358
132b11a4565b
14166dd8231a
15bc0ee0852
hex70b3f07f4

30253451252 has 12 divisors (see below), whose sum is σ = 55730041920. Its totient is φ = 14330582136.

The previous prime is 30253451227. The next prime is 30253451287. The reversal of 30253451252 is 25215435203.

It is a congruent number.

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, 199035788 + ... + 199035939.

It is an arithmetic number, because the mean of its divisors is an integer number (4644170160).

Almost surely, 230253451252 is an apocalyptic number.

It is an amenable number.

30253451252 is a deficient number, since it is larger than the sum of its proper divisors (25476590668).

30253451252 is a wasteful number, since it uses less digits than its factorization.

30253451252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398071750 (or 398071748 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 30253451252 its reverse (25215435203), we get a palindrome (55468886455).

The spelling of 30253451252 in words is "thirty billion, two hundred fifty-three million, four hundred fifty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 398071727 796143454 1592286908 7563362813 15126725626 30253451252