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84974654741 = 218593887399
BaseRepresentation
bin100111100100011100…
…0100101010100010101
322010100000210201101212
41033020320211110111
52343012002422431
6103011541431205
76065515435124
oct1171070452425
9263300721355
1084974654741
1133045a82899
1214575a0b505
13802295b2c2
14418171dabb
1523250ba72b
hex13c8e25515

84974654741 has 4 divisors (see below), whose sum is σ = 84978564000. Its totient is φ = 84970745484.

The previous prime is 84974654701. The next prime is 84974654749. The reversal of 84974654741 is 14745647948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84974654741 - 218 = 84974392597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84974654749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921841 + ... + 1965558.

It is an arithmetic number, because the mean of its divisors is an integer number (21244641000).

Almost surely, 284974654741 is an apocalyptic number.

It is an amenable number.

84974654741 is a deficient number, since it is larger than the sum of its proper divisors (3909259).

84974654741 is a wasteful number, since it uses less digits than its factorization.

84974654741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909258.

The product of its digits is 27095040, while the sum is 59.

The spelling of 84974654741 in words is "eighty-four billion, nine hundred seventy-four million, six hundred fifty-four thousand, seven hundred forty-one".

Divisors: 1 21859 3887399 84974654741