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30665043416631 = 313786283164529
BaseRepresentation
bin1101111100011110000110…
…00001010001011000110111
311000120112211121012201201010
412332033003001101120313
513004404002103313011
6145115154303403303
76313322235224421
oct676170301213067
9130515747181633
1030665043416631
119852a76633228
123533110bb3533
131415916677220
147802a5c47811
15382a0502a1a6
hex1be3c3051637

30665043416631 has 8 divisors (see below), whose sum is σ = 44031857213680. Its totient is φ = 18870795948672.

The previous prime is 30665043416621. The next prime is 30665043416677. The reversal of 30665043416631 is 13661434056603.

It is a happy number.

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

It is not a de Polignac number, because 30665043416631 - 214 = 30665043400247 is a prime.

It is a super-2 number, since 2×306650434166312 (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 (30665043416621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393141582226 + ... + 393141582303.

It is an arithmetic number, because the mean of its divisors is an integer number (5503982151710).

Almost surely, 230665043416631 is an apocalyptic number.

30665043416631 is a deficient number, since it is larger than the sum of its proper divisors (13366813797049).

30665043416631 is a wasteful number, since it uses less digits than its factorization.

30665043416631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786283164545.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 30665043416631 in words is "thirty trillion, six hundred sixty-five billion, forty-three million, four hundred sixteen thousand, six hundred thirty-one".

Divisors: 1 3 13 39 786283164529 2358849493587 10221681138877 30665043416631