Search a number
-
+
9051048769 = 72135912
BaseRepresentation
bin10000110110111110…
…00000101101000001
3212100210010220202111
420123133000231001
5122014032030034
64054043215321
7440202434200
oct103337005501
925323126674
109051048769
1139250989a4
121907217541
13b13214b79
1461c103237
1537e912364
hex21b7c0b41

9051048769 has 9 divisors (see below), whose sum is σ = 10529545761. Its totient is φ = 7757470980.

The previous prime is 9051048751. The next prime is 9051048793. The reversal of 9051048769 is 9678401509.

The square root of 9051048769 is 95137.

It is a perfect power (a square), and thus also a powerful number.

9051048769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-9051048769 is a prime.

It is a super-2 number, since 2×90510487692 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (9051048719) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 659164 + ... + 672754.

It is an arithmetic number, because the mean of its divisors is an integer number (1169949529).

Almost surely, 29051048769 is an apocalyptic number.

9051048769 is the 95137-th square number.

9051048769 is the 47569-th centered octagonal number.

It is an amenable number.

9051048769 is a deficient number, since it is larger than the sum of its proper divisors (1478496992).

9051048769 is an frugal number, since it uses more digits than its factorization.

9051048769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27196 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The cubic root of 9051048769 is about 2084.0092150526.

Multiplying 9051048769 by its sum of digits (49), we get a square (443501389681 = 6659592).

9051048769 divided by its sum of digits (49) gives a square (184715281 = 135912).

The spelling of 9051048769 in words is "nine billion, fifty-one million, forty-eight thousand, seven hundred sixty-nine".

Divisors: 1 7 49 13591 95137 665959 184715281 1293006967 9051048769