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83408654672 = 2472035736583
BaseRepresentation
bin100110110101110001…
…0110001000101010000
321222021220002200011022
41031223202301011100
52331310103422142
6102152320535012
76011641603220
oct1155342610520
9258256080138
1083408654672
1132412013862
12141b9481468
137b3339b045
14407375a080
1522828856d2
hex136b8b1150

83408654672 has 40 divisors (see below), whose sum is σ = 184704713856. Its totient is φ = 35743833216.

The previous prime is 83408654663. The next prime is 83408654677. The reversal of 83408654672 is 27645680438.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83408654677) 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, 2261693 + ... + 2298275.

Almost surely, 283408654672 is an apocalyptic number.

It is an amenable number.

83408654672 is an abundant number, since it is smaller than the sum of its proper divisors (101296059184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83408654672 is a wasteful number, since it uses less digits than its factorization.

83408654672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56955 (or 56949 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 83408654672 in words is "eighty-three billion, four hundred eight million, six hundred fifty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 20357 36583 40714 73166 81428 142499 146332 162856 256081 284998 292664 325712 512162 569996 585328 1024324 1139992 2048648 2279984 4097296 744720131 1489440262 2978880524 5213040917 5957761048 10426081834 11915522096 20852163668 41704327336 83408654672