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30055500278 = 295391575401
BaseRepresentation
bin11011111111011100…
…101000100111110110
32212120121201121102222
4123333130220213312
5443023202002103
621450213402342
72112542352146
oct337734504766
985517647388
1030055500278
1111823601231
1259a96393b2
132aaca27bbb
141651974926
15bad93d638
hex6ff7289f6

30055500278 has 8 divisors (see below), whose sum is σ = 45088005240. Its totient is φ = 15026165200.

The previous prime is 30055500257. The next prime is 30055500331. The reversal of 30055500278 is 87200555003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 768623 + ... + 806778.

It is an arithmetic number, because the mean of its divisors is an integer number (5636000655).

Almost surely, 230055500278 is an apocalyptic number.

30055500278 is a deficient number, since it is larger than the sum of its proper divisors (15032504962).

30055500278 is a wasteful number, since it uses less digits than its factorization.

30055500278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584942.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 30055500278 in words is "thirty billion, fifty-five million, five hundred thousand, two hundred seventy-eight".

Divisors: 1 2 9539 19078 1575401 3150802 15027750139 30055500278