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11023150215 = 357112867623
BaseRepresentation
bin10100100010000011…
…11110110010000111
31001110020000001100210
422101001332302013
5140033411301330
65021452210503
7540110142120
oct122101766207
931406001323
1011023150215
11474730aa00
122177769a33
1310689718bc
14767db9047
15447b138b0
hex29107ec87

11023150215 has 48 divisors (see below), whose sum is σ = 22155646464. Its totient is φ = 4581044160.

The previous prime is 11023150211. The next prime is 11023150247. The reversal of 11023150215 is 51205132011.

It is not a de Polignac number, because 11023150215 - 22 = 11023150211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11023150191 and 11023150200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023150211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421107 + ... + 446516.

It is an arithmetic number, because the mean of its divisors is an integer number (461575968).

Almost surely, 211023150215 is an apocalyptic number.

11023150215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11023150215 is an abundant number, since it is smaller than the sum of its proper divisors (11132496249).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11023150215 is a wasteful number, since it uses less digits than its factorization.

11023150215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867660 (or 867649 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11023150215 its reverse (51205132011), we get a palindrome (62228282226).

The spelling of 11023150215 in words is "eleven billion, twenty-three million, one hundred fifty thousand, two hundred fifteen".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 121 165 231 363 385 605 847 1155 1815 2541 4235 12705 867623 2602869 4338115 6073361 9543853 13014345 18220083 28631559 30366805 47719265 66806971 91100415 104982383 143157795 200420913 314947149 334034855 524911915 734876681 1002104565 1574735745 2204630043 3674383405 11023150215