Search a number
-
+
12217050706541 = 412511187158751
BaseRepresentation
bin1011000111001000000011…
…1101111011001001101101
31121020221100021021102111112
42301302000331323021231
53100131004440102131
641552234032001405
72400436622410142
oct261620075731155
947227307242445
1012217050706541
11399024969820a
1214538b5690265
136a80a8377015
143034463bc3c9
15162bd823602b
hexb1c80f7b26d

12217050706541 has 8 divisors (see below), whose sum is σ = 12564888231168. Its totient is φ = 11871587500000.

The previous prime is 12217050706529. The next prime is 12217050706543. The reversal of 12217050706541 is 14560705071221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12217050706541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217050706543) 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, 593569085 + ... + 593589666.

It is an arithmetic number, because the mean of its divisors is an integer number (1570611028896).

Almost surely, 212217050706541 is an apocalyptic number.

It is an amenable number.

12217050706541 is a deficient number, since it is larger than the sum of its proper divisors (347837524627).

12217050706541 is a wasteful number, since it uses less digits than its factorization.

12217050706541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187159043.

The product of its (nonzero) digits is 117600, while the sum is 41.

Adding to 12217050706541 its reverse (14560705071221), we get a palindrome (26777755777762).

The spelling of 12217050706541 in words is "twelve trillion, two hundred seventeen billion, fifty million, seven hundred six thousand, five hundred forty-one".

Divisors: 1 41 251 10291 1187158751 48673508791 297976846501 12217050706541