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30666101312731 = 194873314179327
BaseRepresentation
bin1101111100100000000100…
…00100110100110011011011
311000120122120022211102100011
412332100002010310303123
513004413133414001411
6145115451254022351
76313360402210543
oct676200204646333
9130518508742304
1030666101312731
119853469800225
1235333673479b7
131415a548a5851
14780366546323
15382a67d45c21
hex1be402134cdb

30666101312731 has 8 divisors (see below), whose sum is σ = 32346390241280. Its totient is φ = 28992440743848.

The previous prime is 30666101312719. The next prime is 30666101312831. The reversal of 30666101312731 is 13721310166603.

It is a happy number.

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 30666101312731 - 29 = 30666101312219 is a prime.

It is a super-2 number, since 2×306661013127312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30666101312831) 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, 1657080411 + ... + 1657098916.

It is an arithmetic number, because the mean of its divisors is an integer number (4043298780160).

Almost surely, 230666101312731 is an apocalyptic number.

30666101312731 is a deficient number, since it is larger than the sum of its proper divisors (1680288928549).

30666101312731 is a wasteful number, since it uses less digits than its factorization.

30666101312731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314179833.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 30666101312731 in words is "thirty trillion, six hundred sixty-six billion, one hundred one million, three hundred twelve thousand, seven hundred thirty-one".

Divisors: 1 19 487 9253 3314179327 62969407213 1614005332249 30666101312731