Base | Representation |
---|---|
bin | 111000111000000111… |
… | …111101011110010111 |
3 | 12211122011011000111022 |
4 | 320320013331132113 |
5 | 2000033203344142 |
6 | 44020010431355 |
7 | 4261254143612 |
oct | 707007753627 |
9 | 184564130438 |
10 | 61071153047 |
11 | 2399a08a213 |
12 | ba0473255b |
13 | 59b364a968 |
14 | 2d54c43179 |
15 | 18c67db6d2 |
hex | e381fd797 |
61071153047 has 8 divisors (see below), whose sum is σ = 64310003760. Its totient is φ = 57834760320.
The previous prime is 61071152929. The next prime is 61071153083. The reversal of 61071153047 is 74035117016.
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 61071153047 - 220 = 61070104471 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61071152998 and 61071153016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61071153097) 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, 563378 + ... + 662975.
It is an arithmetic number, because the mean of its divisors is an integer number (8038750470).
Almost surely, 261071153047 is an apocalyptic number.
61071153047 is a deficient number, since it is larger than the sum of its proper divisors (3238850713).
61071153047 is a wasteful number, since it uses less digits than its factorization.
61071153047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1228993.
The product of its (nonzero) digits is 17640, while the sum is 35.
The spelling of 61071153047 in words is "sixty-one billion, seventy-one million, one hundred fifty-three thousand, forty-seven".
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