Search a number
-
+
9112188055 = 519691113879
BaseRepresentation
bin10000111110010000…
…01111010010010111
3212112001012010002111
420133020033102113
5122130210004210
64104105451451
7441544214635
oct103710172227
925461163074
109112188055
113956657833
1219237a0b87
13b22aa0569
1462629a355
15384e8c88a
hex21f20f497

9112188055 has 16 divisors (see below), whose sum is σ = 11512627200. Its totient is φ = 6904582560.

The previous prime is 9112188053. The next prime is 9112188073. The reversal of 9112188055 is 5508812119.

9112188055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9112188055 - 21 = 9112188053 is a prime.

It is a super-2 number, since 2×91121880552 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9112187999 and 9112188017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9112188053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649606 + ... + 663484.

It is an arithmetic number, because the mean of its divisors is an integer number (719539200).

Almost surely, 29112188055 is an apocalyptic number.

9112188055 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9112188055 is a deficient number, since it is larger than the sum of its proper divisors (2400439145).

9112188055 is a wasteful number, since it uses less digits than its factorization.

9112188055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20814.

The product of its (nonzero) digits is 28800, while the sum is 40.

The square root of 9112188055 is about 95457.7815319422. The cubic root of 9112188055 is about 2088.6911407726.

The spelling of 9112188055 in words is "nine billion, one hundred twelve million, one hundred eighty-eight thousand, fifty-five".

Divisors: 1 5 19 95 6911 13879 34555 69395 131309 263701 656545 1318505 95917769 479588845 1822437611 9112188055