Search a number
-
+
72911135190 = 2352430371173
BaseRepresentation
bin100001111100111010…
…1111010000111010110
320222012022011102121110
41003321311322013112
52143310222311230
653254522355450
75160543265155
oct1037165720726
9228168142543
1072911135190
1128a15487023
121216995bb86
136b4c5b685a
1437594c959c
151d6ae9e4b0
hex10f9d7a1d6

72911135190 has 16 divisors (see below), whose sum is σ = 174986724528. Its totient is φ = 19442969376.

The previous prime is 72911135189. The next prime is 72911135201. The reversal of 72911135190 is 9153111927.

It is a super-2 number, since 2×729111351902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215185557 + ... + 1215185616.

It is an arithmetic number, because the mean of its divisors is an integer number (10936670283).

Almost surely, 272911135190 is an apocalyptic number.

72911135190 is an abundant number, since it is smaller than the sum of its proper divisors (102075589338).

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

72911135190 is a wasteful number, since it uses less digits than its factorization.

72911135190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430371183.

The product of its (nonzero) digits is 17010, while the sum is 39.

The spelling of 72911135190 in words is "seventy-two billion, nine hundred eleven million, one hundred thirty-five thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2430371173 4860742346 7291113519 12151855865 14582227038 24303711730 36455567595 72911135190