Search a number
-
+
13212072071 = 111217986933
BaseRepresentation
bin11000100111000000…
…00011100010000111
31021002202211210122122
430103200003202013
5204024242301241
610023004320155
7645256521362
oct142340034207
937082753578
1013212072071
11566a963330
12268884305b
1313272c4a33
148d49b10d9
15524d9304b
hex313803887

13212072071 has 8 divisors (see below), whose sum is σ = 14425027344. Its totient is φ = 12001093120.

The previous prime is 13212072067. The next prime is 13212072079. The reversal of 13212072071 is 17027021231.

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

It is a cyclic number.

It is not a de Polignac number, because 13212072071 - 22 = 13212072067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13212072071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212072079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480080 + ... + 506853.

It is an arithmetic number, because the mean of its divisors is an integer number (1803128418).

Almost surely, 213212072071 is an apocalyptic number.

13212072071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13212072071 is a deficient number, since it is larger than the sum of its proper divisors (1212955273).

13212072071 is a wasteful number, since it uses less digits than its factorization.

13212072071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988161.

The product of its (nonzero) digits is 1176, while the sum is 26.

The spelling of 13212072071 in words is "thirteen billion, two hundred twelve million, seventy-two thousand, seventy-one".

Divisors: 1 11 1217 13387 986933 10856263 1201097461 13212072071