Base | Representation |
---|---|
bin | 1100111100011001… |
… | …00100010000001100 |
3 | 122221021212220111111 |
4 | 12132030210100030 |
5 | 103212424433034 |
6 | 3105314301404 |
7 | 334130022640 |
oct | 63614442014 |
9 | 18837786444 |
10 | 6949061644 |
11 | 2a46622958 |
12 | 141b287864 |
13 | 8698ac6c5 |
14 | 49cc9ac20 |
15 | 2aa106364 |
hex | 19e32440c |
6949061644 has 36 divisors (see below), whose sum is σ = 14763767536. Its totient is φ = 2802979584.
The previous prime is 6949061633. The next prime is 6949061659. The reversal of 6949061644 is 4461609496.
It is a happy number.
It is a super-3 number, since 3×69490616443 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421287 + ... + 437470.
Almost surely, 26949061644 is an apocalyptic number.
It is an amenable number.
6949061644 is an abundant number, since it is smaller than the sum of its proper divisors (7814705892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6949061644 is a wasteful number, since it uses less digits than its factorization.
6949061644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858802 (or 858783 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 49.
The square root of 6949061644 is about 83361.0319273940. The cubic root of 6949061644 is about 1908.2798071742.
The spelling of 6949061644 in words is "six billion, nine hundred forty-nine million, sixty-one thousand, six hundred forty-four".
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