Base | Representation |
---|---|
bin | 11001111001011110… |
… | …01011010100011100 |
3 | 1022212222122101212121 |
4 | 30330233023110130 |
5 | 211433344330410 |
6 | 10215400512324 |
7 | 1001360134243 |
oct | 147457132434 |
9 | 38788571777 |
10 | 13903901980 |
11 | 5995432391 |
12 | 284047b6a4 |
13 | 1407733447 |
14 | 95c81d95a |
15 | 56599e9da |
hex | 33cbcb51c |
13903901980 has 12 divisors (see below), whose sum is σ = 29198194200. Its totient is φ = 5561560784.
The previous prime is 13903901933. The next prime is 13903901983. The reversal of 13903901980 is 8910930931.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13903901983) 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, 347597530 + ... + 347597569.
It is an arithmetic number, because the mean of its divisors is an integer number (2433182850).
Almost surely, 213903901980 is an apocalyptic number.
13903901980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13903901980 is an abundant number, since it is smaller than the sum of its proper divisors (15294292220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13903901980 is a wasteful number, since it uses less digits than its factorization.
13903901980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695195108 (or 695195106 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 43.
The spelling of 13903901980 in words is "thirteen billion, nine hundred three million, nine hundred one thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •