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30507204000 = 2535372132307
BaseRepresentation
bin11100011010010111…
…101111110110100000
32220202002200112110110
4130122113233312200
5444434321012000
622003111131320
72126665645500
oct343227576640
986662615413
1030507204000
1111a35580999
125ab4973b40
132b524a0200
141695957a00
15bd8416850
hex71a5efda0

30507204000 has 864 divisors, whose sum is σ = 126299549376. Its totient is φ = 6415718400.

The previous prime is 30507203989. The next prime is 30507204011. The reversal of 30507204000 is 40270503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30507203989) and next prime (30507204011).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 99371847 + ... + 99372153.

It is an arithmetic number, because the mean of its divisors is an integer number (146180034).

Almost surely, 230507204000 is an apocalyptic number.

30507204000 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 30507204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63149774688).

30507204000 is an abundant number, since it is smaller than the sum of its proper divisors (95792345376).

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

30507204000 is a wasteful number, since it uses less digits than its factorization.

30507204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

Adding to 30507204000 its reverse (40270503), we get a palindrome (30547474503).

The spelling of 30507204000 in words is "thirty billion, five hundred seven million, two hundred four thousand".