Search a number
-
+
30843212400 = 24355271113317
BaseRepresentation
bin11100101110011001…
…100001001001110000
32221121111221112100000
4130232121201021300
51001131330244100
622100313030000
72141215660020
oct345631411160
987544845300
1030843212400
1112098209a90
125b893b5300
132ba6c97a50
1416c8421a80
15c07b89900
hex72e661270

30843212400 has 1440 divisors, whose sum is σ = 149503431168. Its totient is φ = 5897318400.

The previous prime is 30843212357. The next prime is 30843212419. The reversal of 30843212400 is 421234803.

30843212400 is a `hidden beast` number, since 3 + 0 + 8 + 43 + 212 + 400 = 666.

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 287 ways as a sum of consecutive naturals, for example, 97297042 + ... + 97297358.

Almost surely, 230843212400 is an apocalyptic number.

30843212400 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 30843212400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74751715584).

30843212400 is an abundant number, since it is smaller than the sum of its proper divisors (118660218768).

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

30843212400 is a wasteful number, since it uses less digits than its factorization.

30843212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 30843212400 in words is "thirty billion, eight hundred forty-three million, two hundred twelve thousand, four hundred".