Base | Representation |
---|---|
bin | 100100010101001011… |
… | …1100110011111001000 |
3 | 21110101100211220200121 |
4 | 1020222113212133020 |
5 | 2234241140210402 |
6 | 55501512313024 |
7 | 5431262052334 |
oct | 1105227463710 |
9 | 243340756617 |
10 | 78020241352 |
11 | 300a7435109 |
12 | 131549a2774 |
13 | 7484c269b1 |
14 | 3ac1c6c7c4 |
15 | 20697a8837 |
hex | 122a5e67c8 |
78020241352 has 16 divisors (see below), whose sum is σ = 146298902940. Its totient is φ = 39007200576.
The previous prime is 78020241323. The next prime is 78020241389. The reversal of 78020241352 is 25314202087.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 61160257636 + 16859983716 = 247306^2 + 129846^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249303 + ... + 467110.
Almost surely, 278020241352 is an apocalyptic number.
It is an amenable number.
78020241352 is a deficient number, since it is larger than the sum of its proper divisors (68278661588).
78020241352 is a wasteful number, since it uses less digits than its factorization.
78020241352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730032 (or 730028 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The spelling of 78020241352 in words is "seventy-eight billion, twenty million, two hundred forty-one thousand, three hundred fifty-two".
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