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11506315460 = 225575315773
BaseRepresentation
bin10101011011101010…
…00111000011000100
31002200220011101110212
422231311013003010
5142031104043320
65141432134552
7555065032133
oct125565070304
932626141425
1011506315460
114975019122
122291537458
131114ab11b3
147b222b91a
154752539c5
hex2add470c4

11506315460 has 12 divisors (see below), whose sum is σ = 24163262508. Its totient is φ = 4602526176.

The previous prime is 11506315459. The next prime is 11506315493. The reversal of 11506315460 is 6451360511.

It can be written as a sum of positive squares in 2 ways, for example, as 5543695936 + 5962619524 = 74456^2 + 77218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287657867 + ... + 287657906.

It is an arithmetic number, because the mean of its divisors is an integer number (2013605209).

Almost surely, 211506315460 is an apocalyptic number.

11506315460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11506315460 is an abundant number, since it is smaller than the sum of its proper divisors (12656947048).

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

11506315460 is a wasteful number, since it uses less digits than its factorization.

11506315460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575315782 (or 575315780 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 11506315460 its reverse (6451360511), we get a palindrome (17957675971).

The spelling of 11506315460 in words is "eleven billion, five hundred six million, three hundred fifteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 575315773 1150631546 2301263092 2876578865 5753157730 11506315460