Base | Representation |
---|---|
bin | 1011000000110001011101… |
… | …0011111110001101011100 |
3 | 1120212111121122100010111200 |
4 | 2300030113103332031130 |
5 | 3041333441400401230 |
6 | 41430143321315500 |
7 | 2356524101130324 |
oct | 260142723761534 |
9 | 46774548303450 |
10 | 12107903918940 |
11 | 3948a2a123215 |
12 | 1436714635b90 |
13 | 69aa0287162b |
14 | 2dc050656284 |
15 | 15ee4aec7160 |
hex | b03174fe35c |
12107903918940 has 72 divisors (see below), whose sum is σ = 36729020764800. Its totient is φ = 3228623854464.
The previous prime is 12107903918813. The next prime is 12107903918941. The reversal of 12107903918940 is 4981930970121.
12107903918940 is a `hidden beast` number, since 121 + 0 + 7 + 90 + 391 + 8 + 9 + 40 = 666.
It is a super-2 number, since 2×121079039189402 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12107903918941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2330662 + ... + 5444978.
It is an arithmetic number, because the mean of its divisors is an integer number (510125288400).
Almost surely, 212107903918940 is an apocalyptic number.
12107903918940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12107903918940 is an abundant number, since it is smaller than the sum of its proper divisors (24621116845860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12107903918940 is a wasteful number, since it uses less digits than its factorization.
12107903918940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3135931 (or 3135926 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 54.
The spelling of 12107903918940 in words is "twelve trillion, one hundred seven billion, nine hundred three million, nine hundred eighteen thousand, nine hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •