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84235002190893 = 35405185570501
BaseRepresentation
bin10011001001110001111101…
…011000100001110000101101
3102001020210021010121221100000
4103021301331120201300231
542020101241030102033
6455053005323054513
723512530610600311
oct2311617530416055
9361223233557300
1084235002190893
1124926955809aa4
129545383971439
133800432789a78
1416b2dd28d1b41
159b122bbcca13
hex4c9c7d621c2d

84235002190893 has 24 divisors (see below), whose sum is σ = 126210329373856. Its totient is φ = 56142805050000.

The previous prime is 84235002190891. The next prime is 84235002190903. The reversal of 84235002190893 is 39809120053248.

84235002190893 is a `hidden beast` number, since 8 + 4 + 23 + 500 + 21 + 9 + 0 + 8 + 93 = 666.

It is not a de Polignac number, because 84235002190893 - 21 = 84235002190891 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 (84235002190891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41800858 + ... + 43769643.

Almost surely, 284235002190893 is an apocalyptic number.

It is an amenable number.

84235002190893 is a deficient number, since it is larger than the sum of its proper divisors (41975327182963).

84235002190893 is an equidigital number, since it uses as much as digits as its factorization.

84235002190893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85574567 (or 85574555 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 84235002190893 in words is "eighty-four trillion, two hundred thirty-five billion, two million, one hundred ninety thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 81 243 4051 12153 36459 109377 328131 984393 85570501 256711503 770134509 2310403527 6931210581 20793631743 346646099551 1039938298653 3119814895959 9359444687877 28078334063631 84235002190893