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197015484414450 = 235213592118115799
BaseRepresentation
bin101100110010111100111101…
…111101101011100111110010
3221211120111101212000112111210
4230302330331331223213302
5201310400203002230300
61535003355234420550
756332620236362032
oct5462747575534762
9854514355015453
10197015484414450
1157858885850409
121a11ab07131756
1385c16327640c0
14369185940b8c2
1517b9c58e4a050
hexb32f3df6b9f2

197015484414450 has 192 divisors, whose sum is σ = 537637339008000. Its totient is φ = 47448201427200.

The previous prime is 197015484414431. The next prime is 197015484414473. The reversal of 197015484414450 is 54414484510791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20217651 + ... + 28333449.

It is an arithmetic number, because the mean of its divisors is an integer number (2800194474000).

Almost surely, 2197015484414450 is an apocalyptic number.

197015484414450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197015484414450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268818669504000).

197015484414450 is an abundant number, since it is smaller than the sum of its proper divisors (340621854593550).

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

197015484414450 is a wasteful number, since it uses less digits than its factorization.

197015484414450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116097 (or 8116092 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 197015484414450 in words is "one hundred ninety-seven trillion, fifteen billion, four hundred eighty-four million, four hundred fourteen thousand, four hundred fifty".