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30253005255 = 3511183351547
BaseRepresentation
bin11100001011001110…
…000011100111000111
32220002101100220100010
4130023032003213013
5443424232132010
621521550521303
72120461205334
oct341316034707
986071326303
1030253005255
111191503a690
125a43806233
132b1191a655
14166dca798b
15bc0e53620
hex70b3839c7

30253005255 has 16 divisors (see below), whose sum is σ = 52805245824. Its totient is φ = 14668123680.

The previous prime is 30253005247. The next prime is 30253005271. The reversal of 30253005255 is 55250035203.

It is not a de Polignac number, because 30253005255 - 23 = 30253005247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91675609 + ... + 91675938.

It is an arithmetic number, because the mean of its divisors is an integer number (3300327864).

Almost surely, 230253005255 is an apocalyptic number.

30253005255 is a deficient number, since it is larger than the sum of its proper divisors (22552240569).

30253005255 is a wasteful number, since it uses less digits than its factorization.

30253005255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183351566.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 30253005255 in words is "thirty billion, two hundred fifty-three million, five thousand, two hundred fifty-five".

Divisors: 1 3 5 11 15 33 55 165 183351547 550054641 916757735 2016867017 2750273205 6050601051 10084335085 30253005255