Search a number
-
+
10172938866 = 231695489811
BaseRepresentation
bin10010111100101101…
…01011101001110010
3222020222011211122120
421132112223221302
5131313233020431
64401241215110
7510044360616
oct113626535162
928228154576
1010172938866
1143503a45a2
121b7aa91496
13c6178b36c
146c70dd346
153e816e196
hex25e5aba72

10172938866 has 8 divisors (see below), whose sum is σ = 20345877744. Its totient is φ = 3390979620.

The previous prime is 10172938861. The next prime is 10172938877. The reversal of 10172938866 is 66883927101.

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

10172938866 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10172938861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847744900 + ... + 847744911.

It is an arithmetic number, because the mean of its divisors is an integer number (2543234718).

Almost surely, 210172938866 is an apocalyptic number.

10172938866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10172938866 is a wasteful number, since it uses less digits than its factorization.

10172938866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695489816.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 10172938866 in words is "ten billion, one hundred seventy-two million, nine hundred thirty-eight thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 1695489811 3390979622 5086469433 10172938866