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11645245052 = 227415901609
BaseRepresentation
bin10101101100001110…
…00101011001111100
31010001120120202001022
422312013011121330
5142322140320202
65203314003312
7561402643520
oct126607053174
933046522038
1011645245052
114a36489a71
12230bb76538
13113780525c
147c6873d80
15482547ea2
hex2b61c567c

11645245052 has 12 divisors (see below), whose sum is σ = 23290490160. Its totient is φ = 4990819296.

The previous prime is 11645245049. The next prime is 11645245057. The reversal of 11645245052 is 25054254611.

11645245052 is an admirable number.

It is a super-2 number, since 2×116452450522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645245057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207950777 + ... + 207950832.

It is an arithmetic number, because the mean of its divisors is an integer number (1940874180).

Almost surely, 211645245052 is an apocalyptic number.

It is an amenable number.

11645245052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11645245052 is a wasteful number, since it uses less digits than its factorization.

11645245052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415901620 (or 415901618 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 11645245052 its reverse (25054254611), we get a palindrome (36699499663).

The spelling of 11645245052 in words is "eleven billion, six hundred forty-five million, two hundred forty-five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 415901609 831803218 1663606436 2911311263 5822622526 11645245052