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42193279064 = 2317438838171
BaseRepresentation
bin100111010010111010…
…100101100001011000
311000220112002122202102
4213102322211201120
51142402434412224
631214444222532
73022405645256
oct472272454130
9130815078672
1042193279064
1116992008072
12821653aa48
133c9559ca21
1420839b95d6
15116e3274ae
hex9d2ea5858

42193279064 has 64 divisors (see below), whose sum is σ = 85821690240. Its totient is φ = 19369566720.

The previous prime is 42193279033. The next prime is 42193279087. The reversal of 42193279064 is 46097239124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5159699 + ... + 5167869.

It is an arithmetic number, because the mean of its divisors is an integer number (1340963910).

Almost surely, 242193279064 is an apocalyptic number.

It is an amenable number.

42193279064 is an abundant number, since it is smaller than the sum of its proper divisors (43628411176).

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

42193279064 is a wasteful number, since it uses less digits than its factorization.

42193279064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120 (or 9116 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 42193279064 in words is "forty-two billion, one hundred ninety-three million, two hundred seventy-nine thousand, sixty-four".

Divisors: 1 2 4 8 17 34 43 68 86 136 172 344 731 883 1462 1766 2924 3532 5848 7064 8171 15011 16342 30022 32684 37969 60044 65368 75938 120088 138907 151876 277814 303752 351353 555628 645473 702706 1111256 1290946 1405412 2581892 2810824 5163784 5973001 7214993 11946002 14429986 23892004 28859972 47784008 57719944 122654881 245309762 310244699 490619524 620489398 981239048 1240978796 2481957592 5274159883 10548319766 21096639532 42193279064