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84830478007 = 1143917566883
BaseRepresentation
bin100111100000001001…
…0100101111010110111
322002221222111210002211
41033000102211322313
52342213100244012
6102545351314251
76062115110602
oct1170022457267
9262858453084
1084830478007
1132a81658770
121453567b987
137ccbb1ab22
14416a50d339
1523175db6a7
hex13c04a5eb7

84830478007 has 8 divisors (see below), whose sum is σ = 92753147520. Its totient is φ = 76942943160.

The previous prime is 84830477993. The next prime is 84830478037. The reversal of 84830478007 is 70087403848.

It is a happy number.

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-84830478007 is a prime.

It is a super-2 number, since 2×848304780072 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84830478037) 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 7 ways as a sum of consecutive naturals, for example, 8778613 + ... + 8788270.

It is an arithmetic number, because the mean of its divisors is an integer number (11594143440).

Almost surely, 284830478007 is an apocalyptic number.

84830478007 is a deficient number, since it is larger than the sum of its proper divisors (7922669513).

84830478007 is a wasteful number, since it uses less digits than its factorization.

84830478007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17567333.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 84830478007 in words is "eighty-four billion, eight hundred thirty million, four hundred seventy-eight thousand, seven".

Divisors: 1 11 439 4829 17566883 193235713 7711861637 84830478007