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84738404051 = 7172321976833
BaseRepresentation
bin100111011101011001…
…1010110111011010011
322002201120020221101022
41032322303112323103
52342021012412201
6102532302030055
76056616356450
oct1167263267323
9262646227338
1084738404051
1132a34690194
121450a87832b
137cb5a20bb2
14415c1c2827
15230e4a041b
hex13bacd6ed3

84738404051 has 48 divisors (see below), whose sum is σ = 107752607424. Its totient is φ = 65046761472.

The previous prime is 84738404021. The next prime is 84738404077. The reversal of 84738404051 is 15040483748.

It is not a de Polignac number, because 84738404051 - 26 = 84738403987 is a prime.

It is a super-2 number, since 2×847384040512 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84738403993 and 84738404011.

It is not an unprimeable number, because it can be changed into a prime (84738404021) 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 47 ways as a sum of consecutive naturals, for example, 12397931 + ... + 12404763.

It is an arithmetic number, because the mean of its divisors is an integer number (2244845988).

Almost surely, 284738404051 is an apocalyptic number.

84738404051 is a deficient number, since it is larger than the sum of its proper divisors (23014203373).

84738404051 is a wasteful number, since it uses less digits than its factorization.

84738404051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100 (or 7077 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

Adding to 84738404051 its reverse (15040483748), we get a palindrome (99778887799).

The spelling of 84738404051 in words is "eighty-four billion, seven hundred thirty-eight million, four hundred four thousand, fifty-one".

Divisors: 1 7 17 23 119 161 197 391 529 1379 2737 3349 3703 4531 6833 8993 23443 31717 47831 62951 77027 104213 116161 157159 539189 729491 813127 1100113 1346101 1771621 2671703 3614657 9422707 12401347 18701921 22883717 25302599 30960323 61449169 160186019 216722261 430144183 526325491 712087429 3684278437 4984612003 12105486293 84738404051