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305052780030 = 23510168426001
BaseRepresentation
bin1000111000001101001…
…00000000010111111110
31002011101122121211220020
410130012210000113332
514444222002430110
6352050031433010
731016330563425
oct4340644002776
91064348554806
10305052780030
11108410383769
124b155685766
13229c68aa08b
1410a9c2222bc
157e0608dd70
hex47069005fe

305052780030 has 16 divisors (see below), whose sum is σ = 732126672144. Its totient is φ = 81347408000.

The previous prime is 305052779963. The next prime is 305052780041. The reversal of 305052780030 is 30087250503.

It is a junction number, because it is equal to n+sod(n) for n = 305052779973 and 305052780000.

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 7 ways as a sum of consecutive naturals, for example, 5084212971 + ... + 5084213030.

It is an arithmetic number, because the mean of its divisors is an integer number (45757917009).

Almost surely, 2305052780030 is an apocalyptic number.

305052780030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305052780030 is an abundant number, since it is smaller than the sum of its proper divisors (427073892114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305052780030 is a wasteful number, since it uses less digits than its factorization.

305052780030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168426011.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 305052780030 in words is "three hundred five billion, fifty-two million, seven hundred eighty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 10168426001 20336852002 30505278003 50842130005 61010556006 101684260010 152526390015 305052780030