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7868955101 = 76419971759
BaseRepresentation
bin1110101010000011…
…01011100111011101
3202022101211100002112
413111001223213131
5112103423030401
63340455003405
7366000005030
oct72501534735
922271740075
107868955101
113378902487
121637369565
1398534cb67
14549115017
15310c623bb
hex1d506b9dd

7868955101 has 16 divisors (see below), whose sum is σ = 9021281280. Its totient is φ = 6723717120.

The previous prime is 7868955077. The next prime is 7868955163. The reversal of 7868955101 is 1015598687.

7868955101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7868955101 - 218 = 7868692957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7868955101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868955301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4472660 + ... + 4474418.

It is an arithmetic number, because the mean of its divisors is an integer number (563830080).

Almost surely, 27868955101 is an apocalyptic number.

It is an amenable number.

7868955101 is a deficient number, since it is larger than the sum of its proper divisors (1152326179).

7868955101 is a wasteful number, since it uses less digits than its factorization.

7868955101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 604800, while the sum is 50.

The square root of 7868955101 is about 88707.1310605861. The cubic root of 7868955101 is about 1989.0194154620.

The spelling of 7868955101 in words is "seven billion, eight hundred sixty-eight million, nine hundred fifty-five thousand, one hundred one".

Divisors: 1 7 641 997 1759 4487 6979 12313 639077 1127519 1753723 4473539 7892633 12276061 1124136443 7868955101