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30705552311 = 79534602841
BaseRepresentation
bin11100100110001100…
…011000101110110111
32221020220220200012012
4130212030120232313
51000341110133221
622034514314435
72134624613450
oct344614305667
987226820165
1030705552311
1112027535a15
125b4b288a1b
132b845c9785
1416b402a127
15beaa4665b
hex726318bb7

30705552311 has 8 divisors (see below), whose sum is σ = 35128890144. Its totient is φ = 26291422080.

The previous prime is 30705552307. The next prime is 30705552323. The reversal of 30705552311 is 11325550703.

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

It is not a de Polignac number, because 30705552311 - 22 = 30705552307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30705552011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294750 + ... + 2308091.

It is an arithmetic number, because the mean of its divisors is an integer number (4391111268).

Almost surely, 230705552311 is an apocalyptic number.

30705552311 is a deficient number, since it is larger than the sum of its proper divisors (4423337833).

30705552311 is an equidigital number, since it uses as much as digits as its factorization.

30705552311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603801.

The product of its (nonzero) digits is 15750, while the sum is 32.

The spelling of 30705552311 in words is "thirty billion, seven hundred five million, five hundred fifty-two thousand, three hundred eleven".

Divisors: 1 7 953 6671 4602841 32219887 4386507473 30705552311