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13898981401 = 103252153527
BaseRepresentation
bin11001111000111000…
…11010000000011001
31022212122101102002221
430330130122000121
5211431114401101
610215103224041
71001300251444
oct147434320031
938778342087
1013898981401
115992681498
12283a8a8021
1314066cc866
1495bcdc65b
1556532baa1
hex33c71a019

13898981401 has 8 divisors (see below), whose sum is σ = 14039752064. Its totient is φ = 13758323040.

The previous prime is 13898981359. The next prime is 13898981407. The reversal of 13898981401 is 10418989831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13898981401 - 29 = 13898980889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13898981407) 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, 232900 + ... + 286426.

It is an arithmetic number, because the mean of its divisors is an integer number (1754969008).

Almost surely, 213898981401 is an apocalyptic number.

It is an amenable number.

13898981401 is a deficient number, since it is larger than the sum of its proper divisors (140770663).

13898981401 is a wasteful number, since it uses less digits than its factorization.

13898981401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56151.

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 13898981401 in words is "thirteen billion, eight hundred ninety-eight million, nine hundred eighty-one thousand, four hundred one".

Divisors: 1 103 2521 53527 259663 5513281 134941567 13898981401