Base | Representation |
---|---|
bin | 100101100110001011… |
… | …1000001101000101111 |
3 | 21201101202210022212100 |
4 | 1023030113001220233 |
5 | 2310322411440112 |
6 | 101031315310143 |
7 | 5555522446242 |
oct | 1131427015057 |
9 | 251352708770 |
10 | 80737999407 |
11 | 3127154aa4a |
12 | 13792bab353 |
13 | 77c8cba260 |
14 | 3c9cba5259 |
15 | 217819a2dc |
hex | 12cc5c1a2f |
80737999407 has 48 divisors (see below), whose sum is σ = 126715912960. Its totient is φ = 49242484224.
The previous prime is 80737999339. The next prime is 80737999451. The reversal of 80737999407 is 70499973708.
80737999407 is a `hidden beast` number, since 8 + 0 + 73 + 79 + 99 + 407 = 666.
It is not a de Polignac number, because 80737999407 - 212 = 80737995311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80737999457) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5968083 + ... + 5981595.
Almost surely, 280737999407 is an apocalyptic number.
80737999407 is a deficient number, since it is larger than the sum of its proper divisors (45977913553).
80737999407 is a wasteful number, since it uses less digits than its factorization.
80737999407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13984 (or 13981 counting only the distinct ones).
The product of its (nonzero) digits is 24004512, while the sum is 63.
The spelling of 80737999407 in words is "eighty billion, seven hundred thirty-seven million, nine hundred ninety-nine thousand, four hundred seven".
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