Base | Representation |
---|---|
bin | 111000111000001111… |
… | …010000101111011010 |
3 | 12211122021202020220100 |
4 | 320320033100233122 |
5 | 2000034201120340 |
6 | 44020115440230 |
7 | 4261306334556 |
oct | 707017205732 |
9 | 184567666810 |
10 | 61073066970 |
11 | 239a0177173 |
12 | ba052b6076 |
13 | 59b3b6ab66 |
14 | 2d551c0866 |
15 | 18c6a68830 |
hex | e383d0bda |
61073066970 has 48 divisors (see below), whose sum is σ = 159949057320. Its totient is φ = 16167270912.
The previous prime is 61073066953. The next prime is 61073066987. The reversal of 61073066970 is 7966037016.
It is an interprime number because it is at equal distance from previous prime (61073066953) and next prime (61073066987).
It can be written as a sum of positive squares in 4 ways, for example, as 29914815681 + 31158251289 = 172959^2 + 176517^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2464275 + ... + 2488934.
Almost surely, 261073066970 is an apocalyptic number.
61073066970 is an abundant number, since it is smaller than the sum of its proper divisors (98875990350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61073066970 is a wasteful number, since it uses less digits than its factorization.
61073066970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4953359 (or 4953356 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The spelling of 61073066970 in words is "sixty-one billion, seventy-three million, sixty-six thousand, nine hundred seventy".
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