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11537821484 = 2272081198013
BaseRepresentation
bin10101011111011010…
…10010111100101100
31002210002110001121122
422233231102330230
5142112140241414
65144515320112
7555626602340
oct125755227454
932702401548
1011537821484
114990888062
12229bbb0038
13111b492807
147b64ad620
15477dc8b8e
hex2afb52f2c

11537821484 has 24 divisors (see below), whose sum is σ = 23086848288. Its totient is φ = 4942379520.

The previous prime is 11537821469. The next prime is 11537821501. The reversal of 11537821484 is 48412873511.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40739 + ... + 157274.

It is an arithmetic number, because the mean of its divisors is an integer number (961952012).

Almost surely, 211537821484 is an apocalyptic number.

11537821484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11537821484 is an abundant number, since it is smaller than the sum of its proper divisors (11549026804).

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

11537821484 is a wasteful number, since it uses less digits than its factorization.

11537821484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200105 (or 200103 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The spelling of 11537821484 in words is "eleven billion, five hundred thirty-seven million, eight hundred twenty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 2081 4162 8324 14567 29134 58268 198013 396026 792052 1386091 2772182 5544364 412065053 824130106 1648260212 2884455371 5768910742 11537821484