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13554341040 = 243556476421
BaseRepresentation
bin11001001111110011…
…01101010010110000
31021222121212212102010
430213321231102300
5210224402403130
610120552322520
7656613666162
oct144771552260
937877785363
1013554341040
115826088049
1227633a3440
1313801a2056
14928228932
15544e510b0
hex327e6d4b0

13554341040 has 40 divisors (see below), whose sum is σ = 42018457968. Its totient is φ = 3614490880.

The previous prime is 13554341033. The next prime is 13554341041. The reversal of 13554341040 is 4014345531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×135543410402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13554340989 and 13554341007.

It is not an unprimeable number, because it can be changed into a prime (13554341041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28237971 + ... + 28238450.

Almost surely, 213554341040 is an apocalyptic number.

13554341040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13554341040 is an abundant number, since it is smaller than the sum of its proper divisors (28464116928).

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

13554341040 is a wasteful number, since it uses less digits than its factorization.

13554341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56476437 (or 56476431 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13554341040 its reverse (4014345531), we get a palindrome (17568686571).

The spelling of 13554341040 in words is "thirteen billion, five hundred fifty-four million, three hundred forty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 56476421 112952842 169429263 225905684 282382105 338858526 451811368 564764210 677717052 847146315 903622736 1129528420 1355434104 1694292630 2259056840 2710868208 3388585260 4518113680 6777170520 13554341040