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13797006280 = 235344925157
BaseRepresentation
bin11001101100101110…
…11001101111001000
31022121112111112112121
430312113121233020
5211224013200110
610201021421024
7665621422051
oct146627315710
938545445477
1013797006280
115940061032
12281070a774
1313bb547055
1494c555728
1555b3d6cda
hex3365d9bc8

13797006280 has 16 divisors (see below), whose sum is σ = 31043264220. Its totient is φ = 5518802496.

The previous prime is 13797006277. The next prime is 13797006281. The reversal of 13797006280 is 8260079731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13013790084 + 783216196 = 114078^2 + 27986^2 .

It is not an unprimeable number, because it can be changed into a prime (13797006281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172462539 + ... + 172462618.

Almost surely, 213797006280 is an apocalyptic number.

13797006280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13797006280 is an abundant number, since it is smaller than the sum of its proper divisors (17246257940).

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

13797006280 is a wasteful number, since it uses less digits than its factorization.

13797006280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344925168 (or 344925164 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 13797006280 in words is "thirteen billion, seven hundred ninety-seven million, six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 344925157 689850314 1379700628 1724625785 2759401256 3449251570 6898503140 13797006280