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30397259783641 = 55133712
BaseRepresentation
bin1101110100101011010011…
…10111110001110111011001
310222121221122022001201022011
412322111221313301313121
512441012042001034031
6144352150335025521
76255062302005232
oct672255167616731
9128557568051264
1030397259783641
11975a450769333
1234ab23896b2a1
1313c65ac15299a
1477134164c089
1537aa80d466b1
hex1ba569df1dd9

30397259783641 has 3 divisors (see below), whose sum is σ = 30397265297013. Its totient is φ = 30397254270270.

The previous prime is 30397259783629. The next prime is 30397259783647. The reversal of 30397259783641 is 14638795279303.

The square root of 30397259783641 is 5513371.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 30397259783641 - 215 = 30397259750873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30397259783647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2756686 + ... + 8270056.

It is an arithmetic number, because the mean of its divisors is an integer number (10132421765671).

It is a 1-persistent number, because it is pandigital, but 2⋅30397259783641 = 60794519567282 is not.

Almost surely, 230397259783641 is an apocalyptic number.

30397259783641 is the 5513371-st square number.

30397259783641 is the 2756686-th centered octagonal number.

It is an amenable number.

30397259783641 is a deficient number, since it is larger than the sum of its proper divisors (5513372).

30397259783641 is an frugal number, since it uses more digits than its factorization.

30397259783641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026742 (or 5513371 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 67.

The spelling of 30397259783641 in words is "thirty trillion, three hundred ninety-seven billion, two hundred fifty-nine million, seven hundred eighty-three thousand, six hundred forty-one".

Divisors: 1 5513371 30397259783641