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30055236455 = 56011047291
BaseRepresentation
bin11011111111011011…
…101000001101100111
32212120121020012112202
4123333123220031213
5443023120031310
621450204005115
72112540203036
oct337733501547
985517205482
1030055236455
1111823440aa2
1259a953079b
132aac964aaa
14165190671d
15bad8da3a5
hex6ff6e8367

30055236455 has 4 divisors (see below), whose sum is σ = 36066283752. Its totient is φ = 24044189160.

The previous prime is 30055236443. The next prime is 30055236481. The reversal of 30055236455 is 55463255003.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-30055236455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005523641 + ... + 3005523650.

It is an arithmetic number, because the mean of its divisors is an integer number (9016570938).

Almost surely, 230055236455 is an apocalyptic number.

30055236455 is a deficient number, since it is larger than the sum of its proper divisors (6011047297).

30055236455 is an equidigital number, since it uses as much as digits as its factorization.

30055236455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011047296.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 30055236455 in words is "thirty billion, fifty-five million, two hundred thirty-six thousand, four hundred fifty-five".

Divisors: 1 5 6011047291 30055236455