Search a number
-
+
197204152860 = 223251113192691499
BaseRepresentation
bin1011011110101001001…
…0001001001000011100
3200212000111101221020100
42313222102021020130
511212333230342420
6230332213221100
720150621433111
oct2675222111034
9625014357210
10197204152860
11766a766a930
1232277331790
131579a017260
14978aa5c908
1551e2caa190
hex2dea48921c

197204152860 has 576 divisors, whose sum is σ = 742996800000. Its totient is φ = 41623787520.

The previous prime is 197204152837. The next prime is 197204152889. The reversal of 197204152860 is 68251402791.

197204152860 is a `hidden beast` number, since 1 + 9 + 7 + 20 + 41 + 528 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 131556391 + ... + 131557889.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925000).

Almost surely, 2197204152860 is an apocalyptic number.

197204152860 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 197204152860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371498400000).

197204152860 is an abundant number, since it is smaller than the sum of its proper divisors (545792647140).

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

197204152860 is a wasteful number, since it uses less digits than its factorization.

197204152860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 197204152860 in words is "one hundred ninety-seven billion, two hundred four million, one hundred fifty-two thousand, eight hundred sixty".