Base | Representation |
---|---|
bin | 1110101000000101… |
… | …01011110110100100 |
3 | 202021020202100000000 |
4 | 13110002223312210 |
5 | 112040211102441 |
6 | 3335105021300 |
7 | 365406434661 |
oct | 72402536644 |
9 | 22236670000 |
10 | 7852440996 |
11 | 336a553164 |
12 | 1631924830 |
13 | 981aba2ba |
14 | 546c56a68 |
15 | 30e59e2b6 |
hex | 1d40abda4 |
7852440996 has 81 divisors (see below), whose sum is σ = 20649360459. Its totient is φ = 2612695176.
The previous prime is 7852440989. The next prime is 7852440997. The reversal of 7852440996 is 6990442587.
The square root of 7852440996 is 88614.
It is a perfect power (a square), and thus also a powerful number.
7852440996 is a `hidden beast` number, since 78 + 524 + 40 + 9 + 9 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (81).
It is a super-2 number, since 2×78524409962 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (7852440997) 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, 14355195 + ... + 14355741.
Almost surely, 27852440996 is an apocalyptic number.
7852440996 is the 88614-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7852440996
7852440996 is an abundant number, since it is smaller than the sum of its proper divisors (12796919463).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7852440996 is an frugal number, since it uses more digits than its factorization.
7852440996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1122 (or 552 counting only the distinct ones).
The product of its (nonzero) digits is 4354560, while the sum is 54.
The cubic root of 7852440996 is about 1987.6270289760.
The spelling of 7852440996 in words is "seven billion, eight hundred fifty-two million, four hundred forty thousand, nine hundred ninety-six".
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