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30666214765 = 515140617503
BaseRepresentation
bin11100100011110110…
…010100110101101101
32221011011220010020001
4130203312110311231
51000301022333030
622030551224301
72133636344644
oct344366246555
987134803201
1030666214765
111200730804a
125b3a078091
132b79405614
1416acb0a35b
15be7375cca
hex723d94d6d

30666214765 has 8 divisors (see below), whose sum is σ = 37043163648. Its totient is φ = 24370501200.

The previous prime is 30666214759. The next prime is 30666214771. The reversal of 30666214765 is 56741266603.

It is an interprime number because it is at equal distance from previous prime (30666214759) and next prime (30666214771).

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

It is not a de Polignac number, because 30666214765 - 27 = 30666214637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20307997 + ... + 20309506.

It is an arithmetic number, because the mean of its divisors is an integer number (4630395456).

Almost surely, 230666214765 is an apocalyptic number.

It is an amenable number.

30666214765 is a deficient number, since it is larger than the sum of its proper divisors (6376948883).

30666214765 is a wasteful number, since it uses less digits than its factorization.

30666214765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40617659.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 30666214765 in words is "thirty billion, six hundred sixty-six million, two hundred fourteen thousand, seven hundred sixty-five".

Divisors: 1 5 151 755 40617503 203087515 6133242953 30666214765