Base | Representation |
---|---|
bin | 1011100011000100110001… |
… | …1110001000000001010000 |
3 | 1122221211201010201110101110 |
4 | 2320301030132020001100 |
5 | 3131012334302330220 |
6 | 43001003244333320 |
7 | 2450225415506256 |
oct | 270611436100120 |
9 | 48854633643343 |
10 | 12697206292560 |
11 | 4055944a33779 |
12 | 1510978844240 |
13 | 7114591237aa |
14 | 31c795c5a5d6 |
15 | 17043bad2be0 |
hex | b8c4c788050 |
12697206292560 has 320 divisors, whose sum is σ = 41490750136320. Its totient is φ = 3207969515520.
The previous prime is 12697206292517. The next prime is 12697206292571. The reversal of 12697206292560 is 6529260279621.
It is a super-2 number, since 2×126972062925602 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12697206292560.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81174106 + ... + 81330374.
It is an arithmetic number, because the mean of its divisors is an integer number (129658594176).
Almost surely, 212697206292560 is an apocalyptic number.
12697206292560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12697206292560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20745375068160).
12697206292560 is an abundant number, since it is smaller than the sum of its proper divisors (28793543843760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12697206292560 is a wasteful number, since it uses less digits than its factorization.
12697206292560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156546 (or 156540 counting only the distinct ones).
The product of its (nonzero) digits is 9797760, while the sum is 57.
The spelling of 12697206292560 in words is "twelve trillion, six hundred ninety-seven billion, two hundred six million, two hundred ninety-two thousand, five hundred sixty".
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