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530030255400 = 233452229142873
BaseRepresentation
bin1111011011010000100…
…00111101110100101000
31212200002201102202020000
413231220100331310220
532141000221133100
61043254215503000
753202433556352
oct7555020756450
91780081382200
10530030255400
1119486a296898
1286882087a60
133ac9b877179
141b9216a60d2
15dbc2236900
hex7b6843dd28

530030255400 has 240 divisors, whose sum is σ = 1848925290300. Its totient is φ = 140723205120.

The previous prime is 530030255393. The next prime is 530030255413. The reversal of 530030255400 is 4552030035.

530030255400 is a `hidden beast` number, since 5 + 3 + 0 + 0 + 3 + 0 + 255 + 400 = 666.

530030255400 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 428650421796 + 101379833604 = 654714^2 + 318402^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3638364 + ... + 3781236.

Almost surely, 2530030255400 is an apocalyptic number.

530030255400 is a gapful number since it is divisible by the number (50) 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 530030255400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924462645150).

530030255400 is an abundant number, since it is smaller than the sum of its proper divisors (1318895034900).

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

530030255400 is a wasteful number, since it uses less digits than its factorization.

530030255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143130 (or 143112 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 530030255400 its reverse (4552030035), we get a palindrome (534582285435).

The spelling of 530030255400 in words is "five hundred thirty billion, thirty million, two hundred fifty-five thousand, four hundred".