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197568000000 = 212325673
BaseRepresentation
bin1011011111111111111…
…0000111000000000000
3200212221212001021200100
42313333332013000000
511214104402000000
6230432251522400
720162630202000
oct2677776070000
9625855037610
10197568000000
1176873a92648
1232359159400
131582750b117
1497c30d2000
155214bcba00
hex2dfff87000

197568000000 has 1092 divisors, whose sum is σ = 831887789200. Its totient is φ = 45158400000.

The previous prime is 197567999963. The next prime is 197568000059. The reversal of 197568000000 is 865791.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

197568000000 is a `hidden beast` number, since 1 + 97 + 568 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×1975680000002 (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 28223999997 + ... + 28224000003.

Almost surely, 2197568000000 is an apocalyptic number.

197568000000 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 197568000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415943894600).

197568000000 is an abundant number, since it is smaller than the sum of its proper divisors (634319789200).

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

197568000000 is an frugal number, since it uses more digits than its factorization.

197568000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Adding to 197568000000 its reverse (865791), we get a palindrome (197568865791).

The spelling of 197568000000 in words is "one hundred ninety-seven billion, five hundred sixty-eight million", and thus it is an aban number.