Search a number
-
+
11221230230115 = 357971642757139
BaseRepresentation
bin1010001101001010010101…
…1100010001101001100011
31110201201221211100210111220
42203102211130101221203
52432322034414330430
635510543443110123
72235464355130053
oct243224534215143
943651854323456
1011221230230115
113636995a23234
1213128bb372343
13635207c67c69
142ab17909b563
15146d538a7110
hexa34a5711a63

11221230230115 has 32 divisors (see below), whose sum is σ = 17977904259840. Its totient is φ = 5976678681984.

The previous prime is 11221230230113. The next prime is 11221230230201. The reversal of 11221230230115 is 51103203212211.

It is not a de Polignac number, because 11221230230115 - 21 = 11221230230113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221230230113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196356216 + ... + 196413354.

It is an arithmetic number, because the mean of its divisors is an integer number (561809508120).

Almost surely, 211221230230115 is an apocalyptic number.

11221230230115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11221230230115 is a deficient number, since it is larger than the sum of its proper divisors (6756674029725).

11221230230115 is a wasteful number, since it uses less digits than its factorization.

11221230230115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74371.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11221230230115 its reverse (51103203212211), we get a palindrome (62324433442326).

The spelling of 11221230230115 in words is "eleven trillion, two hundred twenty-one billion, two hundred thirty million, two hundred thirty thousand, one hundred fifteen".

Divisors: 1 3 5 15 797 2391 3985 11955 16427 49281 57139 82135 171417 246405 285695 857085 13092319 39276957 45539783 65461595 136619349 196384785 227698915 683096745 938622353 2815867059 4693111765 14079335295 748082015341 2244246046023 3740410076705 11221230230115