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84123908413 = 195399820073
BaseRepresentation
bin100111001011000101…
…1001111100100111101
322001010201222022211121
41032112023033210331
52334241210032123
6102351311150541
76035445265126
oct1162613174475
9261121868747
1084123908413
1132749831556
1214378b15451
137c1861b3cc
14410074504d
1522c556c75d
hex13962cf93d

84123908413 has 8 divisors (see below), whose sum is σ = 88567992000. Its totient is φ = 79681475808.

The previous prime is 84123908303. The next prime is 84123908419. The reversal of 84123908413 is 31480932148.

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-84123908413 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 84123908413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84123908419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307456 + ... + 512617.

It is an arithmetic number, because the mean of its divisors is an integer number (11070999000).

Almost surely, 284123908413 is an apocalyptic number.

It is an amenable number.

84123908413 is a deficient number, since it is larger than the sum of its proper divisors (4444083587).

84123908413 is a wasteful number, since it uses less digits than its factorization.

84123908413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825491.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 84123908413 in words is "eighty-four billion, one hundred twenty-three million, nine hundred eight thousand, four hundred thirteen".

Divisors: 1 19 5399 102581 820073 15581387 4427574127 84123908413