Search a number
-
+
11430541421 = 132301738201
BaseRepresentation
bin10101010010101000…
…00011100001101101
31002111121120200000222
422221110003201231
5141402204311141
65130124101125
7553154666435
oct125124034155
932447520028
1011430541421
114936273a52
1222700947a5
1311021a04a0
147a61452c5
1546d78714b
hex2a950386d

11430541421 has 8 divisors (see below), whose sum is σ = 12310670904. Its totient is φ = 10550534400.

The previous prime is 11430541391. The next prime is 11430541427. The reversal of 11430541421 is 12414503411.

It can be written as a sum of positive squares in 4 ways, for example, as 271788196 + 11158753225 = 16486^2 + 105635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11430541421 - 214 = 11430525037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430541427) 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, 280121 + ... + 318321.

It is an arithmetic number, because the mean of its divisors is an integer number (1538833863).

Almost surely, 211430541421 is an apocalyptic number.

It is an amenable number.

11430541421 is a deficient number, since it is larger than the sum of its proper divisors (880129483).

11430541421 is a wasteful number, since it uses less digits than its factorization.

11430541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61231.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 11430541421 in words is "eleven billion, four hundred thirty million, five hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 13 23017 38201 299221 496613 879272417 11430541421