Search a number
-
+
11470949090 = 251577306337
BaseRepresentation
bin10101010111011100…
…01100101011100010
31002121102121120221022
422223232030223202
5141443030332330
65134130125442
7554155313156
oct125356145342
932542546838
1011470949090
114957062917
122281720882
13110a67a753
147ab663066
154720b9ae5
hex2abb8cae2

11470949090 has 16 divisors (see below), whose sum is σ = 20779225272. Its totient is φ = 4559153664.

The previous prime is 11470949081. The next prime is 11470949093. The reversal of 11470949090 is 9094907411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7656775009 + 3814174081 = 87503^2 + 61759^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11470949093) 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, 3651599 + ... + 3654738.

Almost surely, 211470949090 is an apocalyptic number.

11470949090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11470949090 is a deficient number, since it is larger than the sum of its proper divisors (9308276182).

11470949090 is a wasteful number, since it uses less digits than its factorization.

11470949090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306501.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 11470949090 in words is "eleven billion, four hundred seventy million, nine hundred forty-nine thousand, ninety".

Divisors: 1 2 5 10 157 314 785 1570 7306337 14612674 36531685 73063370 1147094909 2294189818 5735474545 11470949090