Search a number
-
+
243102431400 = 233523378391433
BaseRepresentation
bin1110001001101000001…
…0001011100010101000
3212020111020010001210120
43202122002023202220
512440333210301100
6303402452443240
723364206400213
oct3423202134250
9766436101716
10243102431400
119410aa91934
123b146619520
1319c0306b35a
14baa271a77a
1564cc4d50a0
hex389a08b8a8

243102431400 has 192 divisors, whose sum is σ = 757282780800. Its totient is φ = 64512860160.

The previous prime is 243102431339. The next prime is 243102431417. The reversal of 243102431400 is 4134201342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169645084 + ... + 169646516.

It is an arithmetic number, because the mean of its divisors is an integer number (3944181150).

Almost surely, 2243102431400 is an apocalyptic number.

243102431400 is a gapful number since it is divisible by the number (20) 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 243102431400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378641390400).

243102431400 is an abundant number, since it is smaller than the sum of its proper divisors (514180349400).

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

243102431400 is a wasteful number, since it uses less digits than its factorization.

243102431400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243102431400 its reverse (4134201342), we get a palindrome (247236632742).

The spelling of 243102431400 in words is "two hundred forty-three billion, one hundred two million, four hundred thirty-one thousand, four hundred".