Search a number
-
+
72886120393 = 473374601687
BaseRepresentation
bin100001111100001011…
…0011110111111001001
320222010120002112202111
41003320112132333021
52143232321323033
653252230302321
75160120541552
oct1037026367711
9228116075674
1072886120393
1128a02351039
12121614b79a1
136b473689b8
143756057329
151d68bac7cd
hex10f859efc9

72886120393 has 8 divisors (see below), whose sum is σ = 74657786112. Its totient is φ = 71123658816.

The previous prime is 72886120387. The next prime is 72886120403. The reversal of 72886120393 is 39302168827.

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-72886120393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72886120303) 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, 2285005 + ... + 2316682.

It is an arithmetic number, because the mean of its divisors is an integer number (9332223264).

Almost surely, 272886120393 is an apocalyptic number.

It is an amenable number.

72886120393 is a deficient number, since it is larger than the sum of its proper divisors (1771665719).

72886120393 is a wasteful number, since it uses less digits than its factorization.

72886120393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602071.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 72886120393 in words is "seventy-two billion, eight hundred eighty-six million, one hundred twenty thousand, three hundred ninety-three".

Divisors: 1 47 337 15839 4601687 216279289 1550768519 72886120393