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30155016055 = 56031003211
BaseRepresentation
bin11100000101011000…
…010000011101110111
32212211112222112102111
4130011120100131313
5443224141003210
621504130351451
72115161256463
oct340530203567
985745875374
1030155016055
11118747a197a
125a16a2b587
132ac752c188
141660c7b4a3
15bb754988a
hex705610777

30155016055 has 4 divisors (see below), whose sum is σ = 36186019272. Its totient is φ = 24124012840.

The previous prime is 30155016013. The next prime is 30155016103. The reversal of 30155016055 is 55061055103.

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

It is not a de Polignac number, because 30155016055 - 219 = 30154491767 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015501601 + ... + 3015501610.

It is an arithmetic number, because the mean of its divisors is an integer number (9046504818).

Almost surely, 230155016055 is an apocalyptic number.

30155016055 is a deficient number, since it is larger than the sum of its proper divisors (6031003217).

30155016055 is an equidigital number, since it uses as much as digits as its factorization.

30155016055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031003216.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 30155016055 in words is "thirty billion, one hundred fifty-five million, sixteen thousand, fifty-five".

Divisors: 1 5 6031003211 30155016055