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30229355520 = 21036571389
BaseRepresentation
bin11100001001110011…
…110101110000000000
32220000201212101000000
4130021303311300000
5443402203334040
621515344000000
72120053165560
oct341163656000
986021771000
1030229355520
1111902757251
125a37900000
132b09a59c20
14166aaacda0
15bbdd31130
hex709cf5c00

30229355520 has 1232 divisors, whose sum is σ = 135316198080. Its totient is φ = 6306398208.

The previous prime is 30229355503. The next prime is 30229355539. The reversal of 30229355520 is 2555392203.

30229355520 is a `hidden beast` number, since 30 + 229 + 355 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 339655636 + ... + 339655724.

Almost surely, 230229355520 is an apocalyptic number.

30229355520 is a gapful number since it is divisible by the number (30) 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 30229355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67658099040).

30229355520 is an abundant number, since it is smaller than the sum of its proper divisors (105086842560).

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

30229355520 is an equidigital number, since it uses as much as digits as its factorization.

30229355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 30229355520 in words is "thirty billion, two hundred twenty-nine million, three hundred fifty-five thousand, five hundred twenty".