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30422020032 = 2632283186629
BaseRepresentation
bin11100010101010010…
…110010111111000000
32220112011101202000200
4130111102302333000
5444301014120112
621550425245200
72124612621645
oct342522627700
986464352020
1030422020032
11119a1489a18
125a90333800
132b3a9463b1
141688501dcc
15bd0bdbcdc
hex7154b2fc0

30422020032 has 84 divisors (see below), whose sum is σ = 87507820920. Its totient is φ = 10104786432.

The previous prime is 30422019977. The next prime is 30422020033. The reversal of 30422020032 is 23002022403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30422019987 and 30422020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422020033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 69694 + ... + 256322.

Almost surely, 230422020032 is an apocalyptic number.

30422020032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30422020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43753910460).

30422020032 is an abundant number, since it is smaller than the sum of its proper divisors (57085800888).

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

30422020032 is a wasteful number, since it uses less digits than its factorization.

30422020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186930 (or 186917 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30422020032 its reverse (23002022403), we get a palindrome (53424042435).

The spelling of 30422020032 in words is "thirty billion, four hundred twenty-two million, twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 283 288 566 576 849 1132 1698 2264 2547 3396 4528 5094 6792 9056 10188 13584 18112 20376 27168 40752 54336 81504 163008 186629 373258 559887 746516 1119774 1493032 1679661 2239548 2986064 3359322 4479096 5972128 6718644 8958192 11944256 13437288 17916384 26874576 35832768 52816007 53749152 105632014 107498304 158448021 211264028 316896042 422528056 475344063 633792084 845056112 950688126 1267584168 1690112224 1901376252 2535168336 3380224448 3802752504 5070336672 7605505008 10140673344 15211010016 30422020032