Search a number
-
+
12946740574855 = 515672522965497
BaseRepresentation
bin1011110001100110010111…
…0111110111101010000111
31200211200210121111101220211
42330121211313313222013
53144104411041343410
643311352302140251
72504241205064413
oct274314567675207
950750717441824
1012946740574855
11414175559635a
1215511b9281687
1372bb45871779
1432a8a887bd43
15176b93aa668a
hexbc665df7a87

12946740574855 has 16 divisors (see below), whose sum is σ = 15546856792320. Its totient is φ = 10350214463232.

The previous prime is 12946740574853. The next prime is 12946740574879. The reversal of 12946740574855 is 55847504764921.

It is a cyclic number.

It is not a de Polignac number, because 12946740574855 - 21 = 12946740574853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946740574853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197636467 + ... + 197701963.

It is an arithmetic number, because the mean of its divisors is an integer number (971678549520).

Almost surely, 212946740574855 is an apocalyptic number.

12946740574855 is a deficient number, since it is larger than the sum of its proper divisors (2600116217465).

12946740574855 is a wasteful number, since it uses less digits than its factorization.

12946740574855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92298.

The product of its (nonzero) digits is 338688000, while the sum is 67.

The spelling of 12946740574855 in words is "twelve trillion, nine hundred forty-six billion, seven hundred forty million, five hundred seventy-four thousand, eight hundred fifty-five".

Divisors: 1 5 1567 7835 25229 65497 126145 327485 39533843 102633799 197669215 513168995 1652423813 8262119065 2589348114971 12946740574855