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11415023238 = 232307182463
BaseRepresentation
bin10101010000110001…
…10110111010000110
31002110112101021002110
422220120312322012
5141334221220423
65124411321450
7552606045063
oct125030667206
932415337073
1011415023238
114928534a03
122266a50286
1310cbbc9028
147a4065c6a
1546c21e193
hex2a8636e86

11415023238 has 16 divisors (see below), whose sum is σ = 22831312896. Its totient is φ = 3804796680.

The previous prime is 11415023237. The next prime is 11415023261. The reversal of 11415023238 is 83232051411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415023231) 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, 97195 + ... + 179657.

It is an arithmetic number, because the mean of its divisors is an integer number (1426957056).

Almost surely, 211415023238 is an apocalyptic number.

11415023238 is an abundant number, since it is smaller than the sum of its proper divisors (11416289658).

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

11415023238 is a wasteful number, since it uses less digits than its factorization.

11415023238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105539.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 11415023238 its reverse (83232051411), we get a palindrome (94647074649).

The spelling of 11415023238 in words is "eleven billion, four hundred fifteen million, twenty-three thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 23071 46142 69213 82463 138426 164926 247389 494778 1902503873 3805007746 5707511619 11415023238