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13332531840 = 273543167967
BaseRepresentation
bin11000110101010111…
…00100101010000000
31021102011111210101120
430122223210222000
5204301112004330
610042550232240
7651251436135
oct143253445200
937364453346
1013332531840
115721959561
122701055680
13134624ccc4
149069aa58c
15530739c10
hex31aae4a80

13332531840 has 256 divisors, whose sum is σ = 43791390720. Its totient is φ = 3448295424.

The previous prime is 13332531811. The next prime is 13332531841. The reversal of 13332531840 is 4813523331.

It is a super-2 number, since 2×133325318402 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13332531841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13787037 + ... + 13788003.

It is an arithmetic number, because the mean of its divisors is an integer number (171060120).

Almost surely, 213332531840 is an apocalyptic number.

13332531840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13332531840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21895695360).

13332531840 is an abundant number, since it is smaller than the sum of its proper divisors (30458858880).

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

13332531840 is a wasteful number, since it uses less digits than its factorization.

13332531840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 13332531840 in words is "thirteen billion, three hundred thirty-two million, five hundred thirty-one thousand, eight hundred forty".