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30666214766 = 211671071271531
BaseRepresentation
bin11100100011110110…
…010100110101101110
32221011011220010020002
4130203312110311232
51000301022333031
622030551224302
72133636344645
oct344366246556
987134803202
1030666214766
1112007308050
125b3a078092
132b79405615
1416acb0a35c
15be7375ccb
hex723d94d6e

30666214766 has 64 divisors (see below), whose sum is σ = 51844644864. Its totient is φ = 13486888800.

The previous prime is 30666214759. The next prime is 30666214771. The reversal of 30666214766 is 66741266603.

It is a self number, because there is not a number n which added to its sum of digits gives 30666214766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20029421 + ... + 20030951.

It is an arithmetic number, because the mean of its divisors is an integer number (810072576).

Almost surely, 230666214766 is an apocalyptic number.

30666214766 is a deficient number, since it is larger than the sum of its proper divisors (21178430098).

30666214766 is a wasteful number, since it uses less digits than its factorization.

30666214766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 30666214766 in words is "thirty billion, six hundred sixty-six million, two hundred fourteen thousand, seven hundred sixty-six".

Divisors: 1 2 11 22 67 107 127 134 214 254 737 1177 1397 1474 1531 2354 2794 3062 7169 8509 13589 14338 16841 17018 27178 33682 78859 93599 102577 149479 157718 163817 187198 194437 205154 298958 327634 388874 910463 1128347 1801987 1820926 2138807 2256694 3603974 4277614 10015093 10975739 13027279 20030186 20804759 21951478 26054558 41609518 120733129 143300069 228852349 241466258 286600138 457704698 1393918853 2787837706 15333107383 30666214766