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197100288000000 = 21432567112101
BaseRepresentation
bin101100110100001011111100…
…101001101100000000000000
3221211212121021221221001002200
4230310023330221230000000
5201313242342212000000
61535110342225513200
756342011610066160
oct5464137451540000
9854777257831080
10197100288000000
1157890843200400
121a1334337a2800
1385c9628b27518
1436959c211a5a0
1517bc06dec3500
hexb342fca6c000

197100288000000 has 3780 divisors, whose sum is σ = 902913846617328. Its totient is φ = 40550400000000.

The previous prime is 197100287999969. The next prime is 197100288000061. The reversal of 197100288000000 is 882001791.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 1951487999950 + ... + 1951488000050.

Almost surely, 2197100288000000 is an apocalyptic number.

197100288000000 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 197100288000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451456923308664).

197100288000000 is an abundant number, since it is smaller than the sum of its proper divisors (705813558617328).

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

197100288000000 is an frugal number, since it uses more digits than its factorization.

197100288000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 197100288000000 in words is "one hundred ninety-seven trillion, one hundred billion, two hundred eighty-eight million", and thus it is an aban number.