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30172871744311 = 229277374750307
BaseRepresentation
bin1101101110001001010110…
…10011010101101100110111
310221211111110022101021012211
412313010223103111230313
512423323020131304221
6144101120444354251
76232626614102602
oct667045323255467
9127744408337184
1030172871744311
11968327454922a
123473855845987
1313ab39c32300a
147645365a1339
15374ceb7d16e1
hex1b712b4d5b37

30172871744311 has 8 divisors (see below), whose sum is σ = 30305729959920. Its totient is φ = 30040023085248.

The previous prime is 30172871744303. The next prime is 30172871744333. The reversal of 30172871744311 is 11344717827103.

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

It is a cyclic number.

It is not a de Polignac number, because 30172871744311 - 23 = 30172871744303 is a prime.

It is a super-2 number, since 2×301728717443112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172871744011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976620 + ... + 8726926.

It is an arithmetic number, because the mean of its divisors is an integer number (3788216244990).

Almost surely, 230172871744311 is an apocalyptic number.

30172871744311 is a deficient number, since it is larger than the sum of its proper divisors (132858215609).

30172871744311 is a wasteful number, since it uses less digits than its factorization.

30172871744311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778273.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 30172871744311 in words is "thirty trillion, one hundred seventy-two billion, eight hundred seventy-one million, seven hundred forty-four thousand, three hundred eleven".

Divisors: 1 229 27737 4750307 6351773 1087820303 131759265259 30172871744311