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30442073046 = 23711230928537
BaseRepresentation
bin11100010110011111…
…010010101111010110
32220120120010112120220
4130112133102233112
5444321132314141
621552423135210
72125245231360
oct342637225726
986516115526
1030442073046
1111a01836060
125a96ba4506
132b41b47998
14168b041d30
15bd284d766
hex7167d2bd6

30442073046 has 64 divisors (see below), whose sum is σ = 75943042560. Its totient is φ = 7903330560.

The previous prime is 30442073017. The next prime is 30442073071. The reversal of 30442073046 is 64037024403.

It is a super-2 number, since 2×304420730462 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 30442072998 and 30442073016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052490 + ... + 1081026.

It is an arithmetic number, because the mean of its divisors is an integer number (1186610040).

Almost surely, 230442073046 is an apocalyptic number.

30442073046 is an abundant number, since it is smaller than the sum of its proper divisors (45500969514).

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

30442073046 is a wasteful number, since it uses less digits than its factorization.

30442073046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30869.

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 30442073046 its reverse (64037024403), we get a palindrome (94479097449).

The spelling of 30442073046 in words is "thirty billion, four hundred forty-two million, seventy-three thousand, forty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 2309 4618 6927 13854 16163 25399 28537 32326 48489 50798 57074 76197 85611 96978 152394 171222 177793 199759 313907 355586 399518 533379 599277 627814 941721 1066758 1198554 1883442 2197349 4394698 6592047 13184094 65891933 131783866 197675799 395351598 461243531 724811263 922487062 1383730593 1449622526 2174433789 2767461186 4348867578 5073678841 10147357682 15221036523 30442073046