Search a number
-
+
30967045200 = 243752713389
BaseRepresentation
bin11100110101110001…
…111001110001010000
32221221010221220000000
4130311301321301100
51001410030421300
622120455130000
72144251353420
oct346561716120
987833856000
1030967045200
11121510a9443
126002973900
132bc68343b0
1416daa58480
15c1399ac00
hex735c79c50

30967045200 has 960 divisors, whose sum is σ = 137682854400. Its totient is φ = 6516910080.

The previous prime is 30967045189. The next prime is 30967045201. The reversal of 30967045200 is 254076903.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30967045201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 79606606 + ... + 79606994.

It is an arithmetic number, because the mean of its divisors is an integer number (143419640).

Almost surely, 230967045200 is an apocalyptic number.

30967045200 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 30967045200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68841427200).

30967045200 is an abundant number, since it is smaller than the sum of its proper divisors (106715809200).

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

30967045200 is a wasteful number, since it uses less digits than its factorization.

30967045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 30967045200 in words is "thirty billion, nine hundred sixty-seven million, forty-five thousand, two hundred".