Base | Representation |
---|---|
bin | 11011110001100001101100… |
… | …10111110111010000101101 |
3 | 22000020202010221210222200211 |
4 | 31320300312113313100231 |
5 | 31001124302334040240 |
6 | 333521343244222421 |
7 | 15602356016210122 |
oct | 1570606627672055 |
9 | 260222127728624 |
10 | 61075347174445 |
11 | 18507a002813aa |
12 | 6a2498a23aa11 |
13 | 28104c4027306 |
14 | 11120c39ca749 |
15 | 70da9b0acbea |
hex | 378c365f742d |
61075347174445 has 8 divisors (see below), whose sum is σ = 73397723226336. Its totient is φ = 48788739994896.
The previous prime is 61075347174353. The next prime is 61075347174449. The reversal of 61075347174445 is 54447174357016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61075347174445 - 211 = 61075347172397 is a prime.
It is a super-2 number, since 2×610753471744452 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 61075347174445.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61075347174449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8942214327 + ... + 8942221156.
It is an arithmetic number, because the mean of its divisors is an integer number (9174715403292).
Almost surely, 261075347174445 is an apocalyptic number.
It is an amenable number.
61075347174445 is a deficient number, since it is larger than the sum of its proper divisors (12322376051891).
61075347174445 is a wasteful number, since it uses less digits than its factorization.
61075347174445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17884436171.
The product of its (nonzero) digits is 39513600, while the sum is 58.
The spelling of 61075347174445 in words is "sixty-one trillion, seventy-five billion, three hundred forty-seven million, one hundred seventy-four thousand, four hundred forty-five".
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