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13551537152 = 21049126953
BaseRepresentation
bin11001001111011110…
…00000110000000000
31021222102121102012102
430213233000300000
5210223143142102
610120412245532
7656551110446
oct144757006000
937872542172
1013551537152
11582454248a
1227624708a8
13137c72ca4a
14927ad8b96
15544a9a402
hex327bc0c00

13551537152 has 44 divisors (see below), whose sum is σ = 27146020296. Its totient is φ = 6761717760.

The previous prime is 13551537137. The next prime is 13551537169. The reversal of 13551537152 is 25173515531.

It is a super-2 number, since 2×135515371522 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489308 + ... + 516260.

Almost surely, 213551537152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551537152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13573010148).

13551537152 is an abundant number, since it is smaller than the sum of its proper divisors (13594483144).

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

13551537152 is an equidigital number, since it uses as much as digits as its factorization.

13551537152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27464 (or 27446 counting only the distinct ones).

The product of its digits is 78750, while the sum is 38.

The spelling of 13551537152 in words is "thirteen billion, five hundred fifty-one million, five hundred thirty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 491 512 982 1024 1964 3928 7856 15712 26953 31424 53906 62848 107812 125696 215624 251392 431248 502784 862496 1724992 3449984 6899968 13233923 13799936 26467846 27599872 52935692 105871384 211742768 423485536 846971072 1693942144 3387884288 6775768576 13551537152