Search a number
-
+
11330421031 = 19738169013
BaseRepresentation
bin10101000110101100…
…01000000100100111
31002020122012000200101
422203112020010213
5141201041433111
65112150124531
7550530663316
oct124326100447
932218160611
1011330421031
114894800026
122242650747
1310b7516c57
14796b2227d
15464aabbc1
hex2a3588127

11330421031 has 8 divisors (see below), whose sum is σ = 12090140720. Its totient is φ = 10587039552.

The previous prime is 11330421013. The next prime is 11330421079. The reversal of 11330421031 is 13012403311.

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

It is not a de Polignac number, because 11330421031 - 215 = 11330388263 is a prime.

It is a super-2 number, since 2×113304210312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330421131) 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, 4083120 + ... + 4085893.

It is an arithmetic number, because the mean of its divisors is an integer number (1511267590).

Almost surely, 211330421031 is an apocalyptic number.

11330421031 is a deficient number, since it is larger than the sum of its proper divisors (759719689).

11330421031 is an equidigital number, since it uses as much as digits as its factorization.

11330421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169105.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11330421031 its reverse (13012403311), we get a palindrome (24342824342).

The spelling of 11330421031 in words is "eleven billion, three hundred thirty million, four hundred twenty-one thousand, thirty-one".

Divisors: 1 19 73 1387 8169013 155211247 596337949 11330421031