Base | Representation |
---|---|
bin | 11000001010100101… |
… | …01110011110011000 |
3 | 1020111011022002102100 |
4 | 30011102232132120 |
5 | 203032231300140 |
6 | 5543211203400 |
7 | 636333414162 |
oct | 140522563630 |
9 | 36434262370 |
10 | 12973696920 |
11 | 555834a578 |
12 | 2620a46560 |
13 | 12b9ac2652 |
14 | 8b107d932 |
15 | 50dea8530 |
hex | 3054ae798 |
12973696920 has 48 divisors (see below), whose sum is σ = 42164516160. Its totient is φ = 3459652416.
The previous prime is 12973696919. The next prime is 12973696933. The reversal of 12973696920 is 2969637921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18018664 + ... + 18019383.
It is an arithmetic number, because the mean of its divisors is an integer number (878427420).
Almost surely, 212973696920 is an apocalyptic number.
12973696920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12973696920 is an abundant number, since it is smaller than the sum of its proper divisors (29190819240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12973696920 is a wasteful number, since it uses less digits than its factorization.
12973696920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36038064 (or 36038057 counting only the distinct ones).
The product of its (nonzero) digits is 2204496, while the sum is 54.
The spelling of 12973696920 in words is "twelve billion, nine hundred seventy-three million, six hundred ninety-six thousand, nine hundred twenty".
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