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13898977948 = 225689610783
BaseRepresentation
bin11001111000111000…
…11001001010011100
31022212122101020101001
430330130121022130
5211431114243243
610215103200044
71001300235412
oct147434311234
938778336331
1013898977948
115992679939
12283a8a6024
1314066cb10b
1495bcdb2b2
1556532aa4d
hex33c71929c

13898977948 has 12 divisors (see below), whose sum is σ = 24327526720. Its totient is φ = 6948256032.

The previous prime is 13898977921. The next prime is 13898977969. The reversal of 13898977948 is 84977989831.

13898977948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282636 + ... + 328147.

Almost surely, 213898977948 is an apocalyptic number.

It is an amenable number.

13898977948 is a deficient number, since it is larger than the sum of its proper divisors (10428548772).

13898977948 is a wasteful number, since it uses less digits than its factorization.

13898977948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616476 (or 616474 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 73.

The spelling of 13898977948 in words is "thirteen billion, eight hundred ninety-eight million, nine hundred seventy-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 5689 11378 22756 610783 1221566 2443132 3474744487 6949488974 13898977948