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7854234068 = 221963558517
BaseRepresentation
bin1110101000010011…
…00001100111010100
3202021101010102122002
413110021201213110
5112041140442233
63335211254432
7365430613412
oct72411414724
922241112562
107854234068
11337056833a
12163244a418
139822974a5
145471a22b2
1530e8056e8
hex1d42619d4

7854234068 has 6 divisors (see below), whose sum is σ = 13744909626. Its totient is φ = 3927117032.

The previous prime is 7854234067. The next prime is 7854234071. The reversal of 7854234068 is 8604324587.

It can be written as a sum of positive squares in only one way, i.e., 6169788304 + 1684445764 = 78548^2 + 41042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7854234067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981779255 + ... + 981779262.

It is an arithmetic number, because the mean of its divisors is an integer number (2290818271).

Almost surely, 27854234068 is an apocalyptic number.

It is an amenable number.

7854234068 is a deficient number, since it is larger than the sum of its proper divisors (5890675558).

7854234068 is a wasteful number, since it uses less digits than its factorization.

7854234068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963558521 (or 1963558519 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 7854234068 is about 88624.1167403095. The cubic root of 7854234068 is about 1987.7783062300.

The spelling of 7854234068 in words is "seven billion, eight hundred fifty-four million, two hundred thirty-four thousand, sixty-eight".

Divisors: 1 2 4 1963558517 3927117034 7854234068