Base | Representation |
---|---|
bin | 111011000101001111111… |
… | …0001100111000110111110 |
3 | 1001202021120112010112001200 |
4 | 1312022133301213012332 |
5 | 2031020101201201110 |
6 | 25134204245520330 |
7 | 1465443231504330 |
oct | 166123761470676 |
9 | 31667515115050 |
10 | 8120168772030 |
11 | 2650820641277 |
12 | ab18b01130a6 |
13 | 46b961a50923 |
14 | 201038199450 |
15 | e1356b576c0 |
hex | 7629fc671be |
8120168772030 has 192 divisors, whose sum is σ = 26371949580288. Its totient is φ = 1690509450240.
The previous prime is 8120168771951. The next prime is 8120168772101. The reversal of 8120168772030 is 302778610218.
It is a super-2 number, since 2×81201687720302 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11896792 + ... + 12560811.
It is an arithmetic number, because the mean of its divisors is an integer number (137353904064).
Almost surely, 28120168772030 is an apocalyptic number.
8120168772030 is an abundant number, since it is smaller than the sum of its proper divisors (18251780808258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8120168772030 is a wasteful number, since it uses less digits than its factorization.
8120168772030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24457671 (or 24457668 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The spelling of 8120168772030 in words is "eight trillion, one hundred twenty billion, one hundred sixty-eight million, seven hundred seventy-two thousand, thirty".
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