Search a number
-
+
197384491200 = 263521323831657
BaseRepresentation
bin1011011111010100001…
…0000101000011000000
3200212111001202001221010
42313311002011003000
511213220412204300
6230402134400520
720155241330631
oct2676502050300
9625431661833
10197384491200
117678a443786
1232307800140
13157c84a9130
1497a69a3888
155203a2da50
hex2df50850c0

197384491200 has 672 divisors, whose sum is σ = 736933833216. Its totient is φ = 45886832640.

The previous prime is 197384491153. The next prime is 197384491273. The reversal of 197384491200 is 2194483791.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 197384491200.

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, 119120772 + ... + 119122428.

It is an arithmetic number, because the mean of its divisors is an integer number (1096627728).

Almost surely, 2197384491200 is an apocalyptic number.

197384491200 is a gapful number since it is divisible by the number (10) 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 197384491200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368466916608).

197384491200 is an abundant number, since it is smaller than the sum of its proper divisors (539549342016).

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

197384491200 is a wasteful number, since it uses less digits than its factorization.

197384491200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 197384491200 in words is "one hundred ninety-seven billion, three hundred eighty-four million, four hundred ninety-one thousand, two hundred".