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42785222073 = 31117531798039
BaseRepresentation
bin100111110110001100…
…101010110110111001
311002102202221110220120
4213312030222312321
51200111004101243
631353311443453
73043154246526
oct476614526671
9132382843816
1042785222073
1117166162670
128360826589
13405b107269
1420dc46614d
1511a62a2c83
hex9f632adb9

42785222073 has 64 divisors (see below), whose sum is σ = 67520563200. Its totient is φ = 23807912960.

The previous prime is 42785222069. The next prime is 42785222083. The reversal of 42785222073 is 37022258724.

It is a cyclic number.

It is not a de Polignac number, because 42785222073 - 22 = 42785222069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42785222003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5318188 + ... + 5326226.

It is an arithmetic number, because the mean of its divisors is an integer number (1055008800).

Almost surely, 242785222073 is an apocalyptic number.

It is an amenable number.

42785222073 is a deficient number, since it is larger than the sum of its proper divisors (24735341127).

42785222073 is a wasteful number, since it uses less digits than its factorization.

42785222073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302.

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 42785222073 in words is "forty-two billion, seven hundred eighty-five million, two hundred twenty-two thousand, seventy-three".

Divisors: 1 3 11 17 33 51 53 159 179 187 537 561 583 901 1749 1969 2703 3043 5907 8039 9129 9487 9911 24117 28461 29733 33473 88429 100419 104357 136663 161279 265287 313071 409989 426067 483837 1278201 1438981 1503293 1774069 4316943 4509879 4686737 5322207 7243139 14060211 15828791 21729417 24462677 47486373 73388031 76265993 79674529 228797979 239023587 269089447 807268341 838925923 1296521881 2516777769 3889565643 14261740691 42785222073