Base | Representation |
---|---|
bin | 10110100001000110… |
… | …00010111100001001 |
3 | 1011012111011210011221 |
4 | 23100203002330021 |
5 | 144224212020401 |
6 | 5315320322041 |
7 | 605366646100 |
oct | 132043027411 |
9 | 34174153157 |
10 | 12088782601 |
11 | 5143891325 |
12 | 2414613321 |
13 | 11a867b5cc |
14 | 82972d037 |
15 | 4ab45b7a1 |
hex | 2d08c2f09 |
12088782601 has 27 divisors (see below), whose sum is σ = 14290815591. Its totient is φ = 10196230464.
The previous prime is 12088782527. The next prime is 12088782631. The reversal of 12088782601 is 10628788021.
The square root of 12088782601 is 109949.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 213014025 + 11875768576 = 14595^2 + 108976^2 .
It is not a de Polignac number, because 12088782601 - 29 = 12088782089 is a prime.
It is a super-2 number, since 2×120887826012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12088782631) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 86969590 + ... + 86969728.
Almost surely, 212088782601 is an apocalyptic number.
12088782601 is the 109949-th square number.
12088782601 is the 54975-th centered octagonal number.
It is an amenable number.
12088782601 is a deficient number, since it is larger than the sum of its proper divisors (2202032990).
12088782601 is an frugal number, since it uses more digits than its factorization.
12088782601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 518 (or 259 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 43.
The spelling of 12088782601 in words is "twelve billion, eighty-eight million, seven hundred eighty-two thousand, six hundred one".
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