Base | Representation |
---|---|
bin | 111000111000010101… |
… | …010000010110000011 |
3 | 12211122101201002020110 |
4 | 320320111100112003 |
5 | 2000040101410321 |
6 | 44020213242403 |
7 | 4261325600466 |
oct | 707025202603 |
9 | 184571632213 |
10 | 61074638211 |
11 | 239a104a714 |
12 | ba05933403 |
13 | 59b429b0a2 |
14 | 2d554ad2dd |
15 | 18c6c79176 |
hex | e38550583 |
61074638211 has 8 divisors (see below), whose sum is σ = 81467409744. Its totient is φ = 40699146080.
The previous prime is 61074638159. The next prime is 61074638213. The reversal of 61074638211 is 11283647016.
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 61074638211 - 26 = 61074638147 is a prime.
It is a super-2 number, since 2×610746382112 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 61074638211.
It is not an unprimeable number, because it can be changed into a prime (61074638213) 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, 4311600 + ... + 4325741.
It is an arithmetic number, because the mean of its divisors is an integer number (10183426218).
Almost surely, 261074638211 is an apocalyptic number.
61074638211 is a deficient number, since it is larger than the sum of its proper divisors (20392771533).
61074638211 is a wasteful number, since it uses less digits than its factorization.
61074638211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8639701.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 61074638211 in words is "sixty-one billion, seventy-four million, six hundred thirty-eight thousand, two hundred eleven".
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