Search a number
-
+
83412613805 = 5129112922171
BaseRepresentation
bin100110110101111000…
…1110111101010101101
321222022011112211001212
41031223301313222231
52331312112120210
6102152541444205
76012020342663
oct1155361675255
9258264484055
1083412613805
1132414278374
12141ba870665
137b34156121
1440740aac33
152282db8805
hex136bc77aad

83412613805 has 8 divisors (see below), whose sum is σ = 100172677344. Its totient is φ = 66678397200.

The previous prime is 83412613793. The next prime is 83412613807. The reversal of 83412613805 is 50831621438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83412613805 - 210 = 83412612781 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 (83412613807) 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 7 ways as a sum of consecutive naturals, for example, 6454631 + ... + 6467540.

It is an arithmetic number, because the mean of its divisors is an integer number (12521584668).

Almost surely, 283412613805 is an apocalyptic number.

It is an amenable number.

83412613805 is a deficient number, since it is larger than the sum of its proper divisors (16760063539).

83412613805 is a wasteful number, since it uses less digits than its factorization.

83412613805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923467.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 83412613805 in words is "eighty-three billion, four hundred twelve million, six hundred thirteen thousand, eight hundred five".

Divisors: 1 5 1291 6455 12922171 64610855 16682522761 83412613805