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42550666795 = 57213139223431
BaseRepresentation
bin100111101000001101…
…111010011000101011
311001211102120211120001
4213220031322120223
51144120432314140
631314132243431
73034305462100
oct475015723053
9131742524501
1042550666795
111705581882a
1282b6170577
134021641760
1420b924aaa7
1511908bee9a
hex9e837a62b

42550666795 has 96 divisors (see below), whose sum is σ = 64865525760. Its totient is φ = 26557735680.

The previous prime is 42550666789. The next prime is 42550666811. The reversal of 42550666795 is 59766605524.

It is not a de Polignac number, because 42550666795 - 27 = 42550666667 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98725230 + ... + 98725660.

It is an arithmetic number, because the mean of its divisors is an integer number (675682560).

Almost surely, 242550666795 is an apocalyptic number.

42550666795 is a deficient number, since it is larger than the sum of its proper divisors (22314858965).

42550666795 is a wasteful number, since it uses less digits than its factorization.

42550666795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 42550666795 in words is "forty-two billion, five hundred fifty million, six hundred sixty-six thousand, seven hundred ninety-five".

Divisors: 1 5 7 13 35 49 65 91 139 223 245 431 455 637 695 973 1115 1561 1807 2155 2899 3017 3185 4865 5603 6811 7805 9035 10927 12649 14495 15085 20293 21119 28015 30997 34055 39221 54635 59909 63245 88543 96113 101465 105595 142051 154985 196105 216979 274547 299545 402961 419363 442715 480565 672791 710255 778817 1084895 1249469 1372735 1518853 2014805 2096815 2820727 2935541 3363955 3894085 4709537 5451719 6247345 7594265 8746283 13359707 14103635 14677705 19745089 23547685 27258595 38162033 43731415 61223981 66798535 93517949 98725445 173676191 190810165 306119905 467589745 654625643 868380955 1215733337 3273128215 6078666685 8510133359 42550666795