Base | Representation |
---|---|
bin | 10011110101100111111… |
… | …01110010011111111100 |
3 | 2102011101120002121021012 |
4 | 21322303331302133330 |
5 | 42131431240331220 |
6 | 1241044523054352 |
7 | 100150165460555 |
oct | 11726375623774 |
9 | 2364346077235 |
10 | 681624152060 |
11 | 243091078105 |
12 | b012a6713b8 |
13 | 4c37a403337 |
14 | 24dc29dd32c |
15 | 12ae5c0bac5 |
hex | 9eb3f727fc |
681624152060 has 48 divisors (see below), whose sum is σ = 1471681431360. Its totient is φ = 264994928640.
The previous prime is 681624152059. The next prime is 681624152117. The reversal of 681624152060 is 60251426186.
It is a super-2 number, since 2×6816241520602 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 681624151999 and 681624152017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191705 + ... + 1183215.
It is an arithmetic number, because the mean of its divisors is an integer number (30660029820).
Almost surely, 2681624152060 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 681624152060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735840715680).
681624152060 is an abundant number, since it is smaller than the sum of its proper divisors (790057279300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
681624152060 is a wasteful number, since it uses less digits than its factorization.
681624152060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 992486 (or 992484 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 41.
The spelling of 681624152060 in words is "six hundred eighty-one billion, six hundred twenty-four million, one hundred fifty-two thousand, sixty".
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