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13554430220 = 225677721511
BaseRepresentation
bin11001001111110100…
…00011000100001100
31021222122001101202002
430213322003010030
5210224413231340
610120554251432
7656614520162
oct144772030414
937878041662
1013554430220
115826139051
122763426b78
131380203816
1492824d232
15544e6c715
hex327e8310c

13554430220 has 12 divisors (see below), whose sum is σ = 28464303504. Its totient is φ = 5421772080.

The previous prime is 13554430213. The next prime is 13554430277. The reversal of 13554430220 is 2203445531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338860736 + ... + 338860775.

It is an arithmetic number, because the mean of its divisors is an integer number (2372025292).

Almost surely, 213554430220 is an apocalyptic number.

13554430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13554430220 is an abundant number, since it is smaller than the sum of its proper divisors (14909873284).

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

13554430220 is a wasteful number, since it uses less digits than its factorization.

13554430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677721520 (or 677721518 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13554430220 its reverse (2203445531), we get a palindrome (15757875751).

The spelling of 13554430220 in words is "thirteen billion, five hundred fifty-four million, four hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 677721511 1355443022 2710886044 3388607555 6777215110 13554430220