Base | Representation |
---|---|
bin | 1101111000100101010000… |
… | …11111011111100000000110 |
3 | 11000002210000112211220120222 |
4 | 12330102220133133200012 |
5 | 13000211404304232000 |
6 | 144533542334424342 |
7 | 6300552621105620 |
oct | 674225037374006 |
9 | 130083015756528 |
10 | 30531454367750 |
11 | 98013540455a6 |
12 | 351124a3620b2 |
13 | 140614705803b |
14 | 777a31c3dc10 |
15 | 37e2d7069a85 |
hex | 1bc4a87df806 |
30531454367750 has 128 divisors (see below), whose sum is σ = 66594678239232. Its totient is φ = 10263881846400.
The previous prime is 30531454367741. The next prime is 30531454367761. The reversal of 30531454367750 is 5776345413503.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is a junction number, because it is equal to n+sod(n) for n = 30531454367692 and 30531454367701.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146719277 + ... + 146927223.
It is an arithmetic number, because the mean of its divisors is an integer number (520270923744).
Almost surely, 230531454367750 is an apocalyptic number.
30531454367750 is an abundant number, since it is smaller than the sum of its proper divisors (36063223871482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30531454367750 is a wasteful number, since it uses less digits than its factorization.
30531454367750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209607 (or 209597 counting only the distinct ones).
The product of its (nonzero) digits is 15876000, while the sum is 53.
The spelling of 30531454367750 in words is "thirty trillion, five hundred thirty-one billion, four hundred fifty-four million, three hundred sixty-seven thousand, seven hundred fifty".
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