Base | Representation |
---|---|
bin | 1011110100000111000101… |
… | …1001010110011101000000 |
3 | 1200222211011022122211211000 |
4 | 2331001301121112131000 |
5 | 3200311240143332310 |
6 | 43343245314252000 |
7 | 2510326265402310 |
oct | 275016131263500 |
9 | 50884138584730 |
10 | 12989883574080 |
11 | 4158a846a5216 |
12 | 1559639887000 |
13 | 732c2cb25a8a |
14 | 32c9dc637440 |
15 | 177d6b47c4c0 |
hex | bd071656740 |
12989883574080 has 448 divisors, whose sum is σ = 52558357224960. Its totient is φ = 2958546124800.
The previous prime is 12989883574051. The next prime is 12989883574097. The reversal of 12989883574080 is 8047538898921.
12989883574080 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 98 + 83 + 57 + 408 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (448).
It is a Harshad number since it is a multiple of its sum of digits (72).
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, 16612710 + ... + 17377050.
Almost surely, 212989883574080 is an apocalyptic number.
12989883574080 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 12989883574080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26279178612480).
12989883574080 is an abundant number, since it is smaller than the sum of its proper divisors (39568473650880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12989883574080 is a wasteful number, since it uses less digits than its factorization.
12989883574080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764655 (or 764639 counting only the distinct ones).
The product of its (nonzero) digits is 278691840, while the sum is 72.
The spelling of 12989883574080 in words is "twelve trillion, nine hundred eighty-nine billion, eight hundred eighty-three million, five hundred seventy-four thousand, eighty".
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