Base | Representation |
---|---|
bin | 10111101100100000… |
… | …01101000110001010 |
3 | 1012211120111221111002 |
4 | 23312100031012022 |
5 | 202023133041144 |
6 | 5502155135002 |
7 | 630150632435 |
oct | 136620150612 |
9 | 35746457432 |
10 | 12721377674 |
11 | 5438982375 |
12 | 2570444462 |
13 | 127974a415 |
14 | 88975c81c |
15 | 4e6c6714e |
hex | 2f640d18a |
12721377674 has 8 divisors (see below), whose sum is σ = 19082750688. Its totient is φ = 6360460780.
The previous prime is 12721377653. The next prime is 12721377677. The reversal of 12721377674 is 47677312721.
12721377674 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×127213776743 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12721377677) 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, 32702 + ... + 162825.
It is an arithmetic number, because the mean of its divisors is an integer number (2385343836).
Almost surely, 212721377674 is an apocalyptic number.
12721377674 is a deficient number, since it is larger than the sum of its proper divisors (6361373014).
12721377674 is a wasteful number, since it uses less digits than its factorization.
12721377674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228060.
The product of its digits is 691488, while the sum is 47.
The spelling of 12721377674 in words is "twelve billion, seven hundred twenty-one million, three hundred seventy-seven thousand, six hundred seventy-four".
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