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7970542255561 = 28344962727083
BaseRepresentation
bin111001111111100100101…
…0101101111110111001001
31001012222100210102221021111
41303333021111233313021
52021042132304134221
624541341102210321
71451565316215334
oct163771125576711
931188323387244
107970542255561
1125a33193478a6
12a888b25839a1
1345a80798a552
141d7ac226961b
15dc4eac4ebe1
hex73fc956fdc9

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".

Divisors: 1 283 449 127067 62727083 17751764489 28164460267 7970542255561