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84906941049 = 32719109764661
BaseRepresentation
bin100111100010011011…
…0010001101001111001
322010011022101111200100
41033010312101221321
52342342134103144
6103001122230013
76064034043120
oct1170466215171
9263138344610
1084906941049
1133010833567
12145571b5309
138011910328
144176734ab7
15231e192269
hex13c4d91a79

84906941049 has 48 divisors (see below), whose sum is σ = 147677662080. Its totient is φ = 45922049280.

The previous prime is 84906941027. The next prime is 84906941051. The reversal of 84906941049 is 94014960948.

It is a happy number.

84906941049 is a `hidden beast` number, since 84 + 90 + 69 + 410 + 4 + 9 = 666.

It is not a de Polignac number, because 84906941049 - 25 = 84906941017 is a prime.

It is a super-2 number, since 2×849069410492 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84906940986 and 84906941004.

It is not an unprimeable number, because it can be changed into a prime (84906941089) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1280779 + ... + 1345439.

It is an arithmetic number, because the mean of its divisors is an integer number (3076617960).

Almost surely, 284906941049 is an apocalyptic number.

It is an amenable number.

84906941049 is a deficient number, since it is larger than the sum of its proper divisors (62770721031).

84906941049 is a wasteful number, since it uses less digits than its factorization.

84906941049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65790 (or 65787 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 84906941049 in words is "eighty-four billion, nine hundred six million, nine hundred forty-one thousand, forty-nine".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1097 1197 3291 7679 9873 20843 23037 62529 64661 69111 145901 187587 193983 437703 452627 581949 1228559 1313109 1357881 3685677 4073643 8599913 11057031 25799739 70933117 77399217 212799351 496531819 638398053 1347729223 1489595457 4043187669 4468786371 9434104561 12129563007 28302313683 84906941049