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30665643604201 = 127241461760663
BaseRepresentation
bin1101111100011111001101…
…10010110011100011101001
311000120121101102120102021101
412332033212302303203221
513004411214230313301
6145115334023441401
76313343143564414
oct676174662634351
9130517342512241
1030665643604201
1198532543aa011
123533259bb6261
1314159b0b0a2b8
1478032183cb7b
15382a3ca83701
hex1be3e6cb38e9

30665643604201 has 4 divisors (see below), whose sum is σ = 30907105364992. Its totient is φ = 30424181843412.

The previous prime is 30665643604153. The next prime is 30665643604217. The reversal of 30665643604201 is 10240634656603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30665643604201 - 221 = 30665641507049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30665649604201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120730880205 + ... + 120730880458.

It is an arithmetic number, because the mean of its divisors is an integer number (7726776341248).

Almost surely, 230665643604201 is an apocalyptic number.

It is an amenable number.

30665643604201 is a deficient number, since it is larger than the sum of its proper divisors (241461760791).

30665643604201 is a wasteful number, since it uses less digits than its factorization.

30665643604201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241461760790.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 30665643604201 in words is "thirty trillion, six hundred sixty-five billion, six hundred forty-three million, six hundred four thousand, two hundred one".

Divisors: 1 127 241461760663 30665643604201