Base | Representation |
---|---|
bin | 100101101100110101… |
… | …0011101111111100001 |
3 | 21201222022210002122120 |
4 | 1023121222131333201 |
5 | 2311302031400342 |
6 | 101105411254453 |
7 | 5564202563151 |
oct | 1133152357741 |
9 | 251868702576 |
10 | 80961200097 |
11 | 31376539a28 |
12 | 138358aa429 |
13 | 783330877b |
14 | 3cc06a6761 |
15 | 218ca88aec |
hex | 12d9a9dfe1 |
80961200097 has 8 divisors (see below), whose sum is σ = 110581151520. Its totient is φ = 52657691040.
The previous prime is 80961200093. The next prime is 80961200137. The reversal of 80961200097 is 79000216908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80961200097 - 22 = 80961200093 is a prime.
It is a super-2 number, since 2×809612000972 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (80961200093) 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, 329110447 + ... + 329110692.
It is an arithmetic number, because the mean of its divisors is an integer number (13822643940).
Almost surely, 280961200097 is an apocalyptic number.
It is an amenable number.
80961200097 is a deficient number, since it is larger than the sum of its proper divisors (29619951423).
80961200097 is a wasteful number, since it uses less digits than its factorization.
80961200097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658221183.
The product of its (nonzero) digits is 54432, while the sum is 42.
The spelling of 80961200097 in words is "eighty billion, nine hundred sixty-one million, two hundred thousand, ninety-seven".
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