Base | Representation |
---|---|
bin | 101101011111110001… |
… | …1000111001100100001 |
3 | 100100012002022021002120 |
4 | 1122333203013030201 |
5 | 3100043422331111 |
6 | 112514544534453 |
7 | 10026112141662 |
oct | 1327743071441 |
9 | 310162267076 |
10 | 97702933281 |
11 | 38487838958 |
12 | 16b28621429 |
13 | 92a0953775 |
14 | 4a2bd57369 |
15 | 281c747406 |
hex | 16bf8c7321 |
97702933281 has 16 divisors (see below), whose sum is σ = 130481886528. Its totient is φ = 65029697600.
The previous prime is 97702933267. The next prime is 97702933319. The reversal of 97702933281 is 18233920779.
It is a cyclic number.
It is not a de Polignac number, because 97702933281 - 25 = 97702933249 is a prime.
It is a super-2 number, since 2×977029332812 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (97702933231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8556466 + ... + 8567876.
It is an arithmetic number, because the mean of its divisors is an integer number (8155117908).
Almost surely, 297702933281 is an apocalyptic number.
It is an amenable number.
97702933281 is a deficient number, since it is larger than the sum of its proper divisors (32778953247).
97702933281 is a wasteful number, since it uses less digits than its factorization.
97702933281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15792.
The product of its (nonzero) digits is 1143072, while the sum is 51.
The spelling of 97702933281 in words is "ninety-seven billion, seven hundred two million, nine hundred thirty-three thousand, two hundred eighty-one".
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