Search a number
-
+
30717628301 = 1911689138311
BaseRepresentation
bin11100100110111010…
…011100111110001101
32221021202122012100002
4130212322130332031
51000402203101201
622040025214045
72135132350433
oct344672347615
987252565302
1030717628301
1112033333878
125b53331325
132b86c67229
1416b5890d53
15bebb2e76b
hex726e9cf8d

30717628301 has 8 divisors (see below), whose sum is σ = 32337345600. Its totient is φ = 29098211040.

The previous prime is 30717628267. The next prime is 30717628309. The reversal of 30717628301 is 10382671703.

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-30717628301 is a prime.

It is a super-2 number, since 2×307176283012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30717628309) 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, 152936 + ... + 291246.

It is an arithmetic number, because the mean of its divisors is an integer number (4042168200).

Almost surely, 230717628301 is an apocalyptic number.

It is an amenable number.

30717628301 is a deficient number, since it is larger than the sum of its proper divisors (1619717299).

30717628301 is a wasteful number, since it uses less digits than its factorization.

30717628301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150019.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 30717628301 in words is "thirty billion, seven hundred seventeen million, six hundred twenty-eight thousand, three hundred one".

Divisors: 1 19 11689 138311 222091 2627909 1616717279 30717628301