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7878426063 = 36534021657
BaseRepresentation
bin1110101011001011…
…10011110111001111
3202100001122111210220
413111211303313033
5112113334113223
63341434002423
7366143342124
oct72545636717
922301574726
107878426063
113383191122
12163a576413
139872b7991
1454a49c74b
153119d36e3
hex1d5973dcf

7878426063 has 8 divisors (see below), whose sum is σ = 10520657328. Its totient is φ = 5244239424.

The previous prime is 7878426047. The next prime is 7878426109. The reversal of 7878426063 is 3606248787.

7878426063 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7878426063 - 24 = 7878426047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7878425997 and 7878426015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7878424063) 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, 2008870 + ... + 2012787.

It is an arithmetic number, because the mean of its divisors is an integer number (1315082166).

Almost surely, 27878426063 is an apocalyptic number.

7878426063 is a deficient number, since it is larger than the sum of its proper divisors (2642231265).

7878426063 is a wasteful number, since it uses less digits than its factorization.

7878426063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022313.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 7878426063 is about 88760.4983255502. The cubic root of 7878426063 is about 1989.8170806506.

The spelling of 7878426063 in words is "seven billion, eight hundred seventy-eight million, four hundred twenty-six thousand, sixty-three".

Divisors: 1 3 653 1959 4021657 12064971 2626142021 7878426063