Search a number
-
+
722130673213 = 2967429369293
BaseRepresentation
bin10101000001000100101…
…01111001111000111101
32120000221112021002011101
422200202111321320331
543312410423020323
61311424154253101
7103113033305455
oct12404225717075
92500845232141
10722130673213
11259287a36a74
12b7b54127191
13531343b1c51
1426d4657cd65
1513bb6de8dad
hexa822579e3d

722130673213 has 8 divisors (see below), whose sum is σ = 747044832600. Its totient is φ = 697217387328.

The previous prime is 722130673157. The next prime is 722130673217. The reversal of 722130673213 is 312376031227.

722130673213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64412917209 + 657717756004 = 253797^2 + 810998^2 .

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-722130673213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722130673217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770795 + ... + 2140087.

It is an arithmetic number, because the mean of its divisors is an integer number (93380604075).

Almost surely, 2722130673213 is an apocalyptic number.

It is an amenable number.

722130673213 is a deficient number, since it is larger than the sum of its proper divisors (24914159387).

722130673213 is a wasteful number, since it uses less digits than its factorization.

722130673213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436751.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 722130673213 in words is "seven hundred twenty-two billion, one hundred thirty million, six hundred seventy-three thousand, two hundred thirteen".

Divisors: 1 29 67429 369293 1955441 10709497 24901057697 722130673213