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30300858105450 = 23521929522770139
BaseRepresentation
bin1101110001110111101111…
…11000100011111001101010
310222021201210220022001121120
412320323313320203321222
512432422124133333300
6144240004432320110
76245110340161662
oct670736770437152
9128251726261546
1030300858105450
119722581505709
1234946140a3036
1313ba487c8655a
1476a7d84611a2
153782dc98b3a0
hex1b8ef7e23e6a

30300858105450 has 192 divisors, whose sum is σ = 81845636544000. Its totient is φ = 7389470350080.

The previous prime is 30300858105443. The next prime is 30300858105499. The reversal of 30300858105450 is 5450185800303.

It is a super-2 number, since 2×303008581054502 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 431976481 + ... + 432046619.

It is an arithmetic number, because the mean of its divisors is an integer number (426279357000).

Almost surely, 230300858105450 is an apocalyptic number.

30300858105450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30300858105450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40922818272000).

30300858105450 is an abundant number, since it is smaller than the sum of its proper divisors (51544778438550).

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

30300858105450 is a wasteful number, since it uses less digits than its factorization.

30300858105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75429 (or 75424 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 30300858105450 in words is "thirty trillion, three hundred billion, eight hundred fifty-eight million, one hundred five thousand, four hundred fifty".