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30342173400 = 23335271172973
BaseRepresentation
bin11100010000100010…
…001101001011011000
32220022121011010001000
4130100202031023120
5444120044022100
621534454025000
72122623134640
oct342042151330
986277133030
1030342173400
1111960402a70
125a69648160
132b2723aa76
14167ba79520
15bc8bb8900
hex71088d2d8

30342173400 has 384 divisors, whose sum is σ = 130302374400. Its totient is φ = 6304780800.

The previous prime is 30342173371. The next prime is 30342173441. The reversal of 30342173400 is 437124303.

30342173400 is a `hidden beast` number, since 303 + 4 + 2 + 17 + 340 + 0 = 666.

It is a super-3 number, since 3×303421734003 (a number of 32 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 379314 + ... + 452286.

It is an arithmetic number, because the mean of its divisors is an integer number (339329100).

Almost surely, 230342173400 is an apocalyptic number.

30342173400 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 30342173400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65151187200).

30342173400 is an abundant number, since it is smaller than the sum of its proper divisors (99960201000).

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

30342173400 is a wasteful number, since it uses less digits than its factorization.

30342173400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73016 (or 73001 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 30342173400 its reverse (437124303), we get a palindrome (30779297703).

The spelling of 30342173400 in words is "thirty billion, three hundred forty-two million, one hundred seventy-three thousand, four hundred".