Base | Representation |
---|---|
bin | 11000000010001101… |
… | …00110010100010100 |
3 | 1020022021001002101221 |
4 | 30001012212110110 |
5 | 202411233041131 |
6 | 5532220500124 |
7 | 634521110656 |
oct | 140106462424 |
9 | 36267032357 |
10 | 12903408916 |
11 | 5521702112 |
12 | 26013aa644 |
13 | 12a8382a08 |
14 | 8a59c46d6 |
15 | 507c22411 |
hex | 3011a6514 |
12903408916 has 12 divisors (see below), whose sum is σ = 22582379988. Its totient is φ = 6451300352.
The previous prime is 12903408899. The next prime is 12903408919. The reversal of 12903408916 is 61980430921.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1506992400 + 11396416516 = 38820^2 + 106754^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12903408919) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22381 + ... + 162196.
It is an arithmetic number, because the mean of its divisors is an integer number (1881864999).
Almost surely, 212903408916 is an apocalyptic number.
It is an amenable number.
12903408916 is a deficient number, since it is larger than the sum of its proper divisors (9678971072).
12903408916 is a wasteful number, since it uses less digits than its factorization.
12903408916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202058 (or 202056 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 12903408916 in words is "twelve billion, nine hundred three million, four hundred eight thousand, nine hundred sixteen".
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