Base | Representation |
---|---|
bin | 111001111111100100101… |
… | …0101101111110111001001 |
3 | 1001012222100210102221021111 |
4 | 1303333021111233313021 |
5 | 2021042132304134221 |
6 | 24541341102210321 |
7 | 1451565316215334 |
oct | 163771125576711 |
9 | 31188323387244 |
10 | 7970542255561 |
11 | 25a33193478a6 |
12 | a888b25839a1 |
13 | 45a80798a552 |
14 | 1d7ac226961b |
15 | dc4eac4ebe1 |
hex | 73fc956fdc9 |
7970542255561 has 8 divisors (see below), whose sum is σ = 8016521335200. Its totient is φ = 7924688631552.
The previous prime is 7970542255537. The next prime is 7970542255589. The reversal of 7970542255561 is 1655522450797.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7970542255561 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7970542255496 and 7970542255505.
It is not an unprimeable number, because it can be changed into a prime (7970542255061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31236475 + ... + 31490608.
It is an arithmetic number, because the mean of its divisors is an integer number (1002065166900).
Almost surely, 27970542255561 is an apocalyptic number.
It is an amenable number.
7970542255561 is a deficient number, since it is larger than the sum of its proper divisors (45979079639).
7970542255561 is a wasteful number, since it uses less digits than its factorization.
7970542255561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62727815.
The product of its (nonzero) digits is 26460000, while the sum is 58.
The spelling of 7970542255561 in words is "seven trillion, nine hundred seventy billion, five hundred forty-two million, two hundred fifty-five thousand, five hundred sixty-one".
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