Base | Representation |
---|---|
bin | 1010100010001011001… |
… | …1111001011000001101 |
3 | 122022010021222110122012 |
4 | 2220202303321120031 |
5 | 10431112444444031 |
6 | 215045424031005 |
7 | 16034446124204 |
oct | 2504263713015 |
9 | 568107873565 |
10 | 180972656141 |
11 | 6a82838a132 |
12 | 2b0a7462465 |
13 | 140b12c9724 |
14 | 8a8b06a23b |
15 | 4a92cd7b2b |
hex | 2a22cf960d |
180972656141 has 8 divisors (see below), whose sum is σ = 191888028480. Its totient is φ = 170196333408.
The previous prime is 180972656099. The next prime is 180972656147. The reversal of 180972656141 is 141656279081.
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 180972656141 - 222 = 180968461837 is a prime.
It is a super-2 number, since 2×1809726561412 (a number of 23 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 180972656141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180972656147) 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, 34759721 + ... + 34764926.
It is an arithmetic number, because the mean of its divisors is an integer number (23986003560).
Almost surely, 2180972656141 is an apocalyptic number.
It is an amenable number.
180972656141 is a deficient number, since it is larger than the sum of its proper divisors (10915372339).
180972656141 is a wasteful number, since it uses less digits than its factorization.
180972656141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69524803.
The product of its (nonzero) digits is 725760, while the sum is 50.
The spelling of 180972656141 in words is "one hundred eighty billion, nine hundred seventy-two million, six hundred fifty-six thousand, one hundred forty-one".
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