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30254155303055 = 513147497972473
BaseRepresentation
bin1101110000100000110000…
…01011100000100010001111
310222010021021002201212210112
412320100120023200202033
512431141002224144210
6144202322253230235
76241535113000145
oct670203013404217
9128107232655715
1030254155303055
119704795a42a62
12348755b49237b
1313b5c54357438
147684479bb595
15376ea77e3d05
hex1b84182e088f

30254155303055 has 16 divisors (see below), whose sum is σ = 36582931481184. Its totient is φ = 24018035658240.

The previous prime is 30254155303051. The next prime is 30254155303093. The reversal of 30254155303055 is 55030355145203.

It is not a de Polignac number, because 30254155303055 - 22 = 30254155303051 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 (30254155303051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30624299 + ... + 31596771.

It is an arithmetic number, because the mean of its divisors is an integer number (2286433217574).

Almost surely, 230254155303055 is an apocalyptic number.

30254155303055 is a deficient number, since it is larger than the sum of its proper divisors (6328776178129).

30254155303055 is a wasteful number, since it uses less digits than its factorization.

30254155303055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020106.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 30254155303055 in words is "thirty trillion, two hundred fifty-four billion, one hundred fifty-five million, three hundred three thousand, fifty-five".

Divisors: 1 5 131 655 47497 237485 972473 4862365 6222107 31110535 127393963 636969815 46189550081 230947750405 6050831060611 30254155303055