Base | Representation |
---|---|
bin | 10010001011000110110100… |
… | …100100111000111001010000 |
3 | 101111000001100001010021000000 |
4 | 102023012310210320321100 |
5 | 40434020144422332433 |
6 | 441554241243130000 |
7 | 22556420143051110 |
oct | 2213066444707120 |
9 | 344001301107000 |
10 | 79928075980368 |
11 | 23516341196700 |
12 | 8b6a71ab13900 |
13 | 357a253c24115 |
14 | 15a477a621040 |
15 | 9391a5473113 |
hex | 48b1b4938e50 |
79928075980368 has 2520 divisors, whose sum is σ = 313062389433024. Its totient is φ = 19335269099520.
The previous prime is 79928075980327. The next prime is 79928075980411. The reversal of 79928075980368 is 86308957082997.
79928075980368 is a `hidden beast` number, since 7 + 9 + 92 + 80 + 7 + 5 + 98 + 0 + 368 = 666.
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 503 ways as a sum of consecutive naturals, for example, 260352038871 + ... + 260352039177.
Almost surely, 279928075980368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79928075980368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156531194716512).
79928075980368 is an abundant number, since it is smaller than the sum of its proper divisors (233134313452656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79928075980368 is a wasteful number, since it uses less digits than its factorization.
79928075980368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473 (or 422 counting only the distinct ones).
The product of its (nonzero) digits is 3292047360, while the sum is 81.
The spelling of 79928075980368 in words is "seventy-nine trillion, nine hundred twenty-eight billion, seventy-five million, nine hundred eighty thousand, three hundred sixty-eight".
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