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197102389848 = 233731319315359
BaseRepresentation
bin1011011110010000110…
…1111100101001011000
3200211202101220211121220
42313210031330221120
511212131202433343
6230314140132040
720145244446000
oct2674415745130
9624671824556
10197102389848
1176655184871
1232249237020
1315781c07160
14977b32d000
1551d8da8183
hex2de437ca58

197102389848 has 1024 divisors, whose sum is σ = 696729600000. Its totient is φ = 45966735360.

The previous prime is 197102389831. The next prime is 197102389853. The reversal of 197102389848 is 848983201791.

It is a junction number, because it is equal to n+sod(n) for n = 197102389791 and 197102389800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3340718443 + ... + 3340718501.

It is an arithmetic number, because the mean of its divisors is an integer number (680400000).

Almost surely, 2197102389848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197102389848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348364800000).

197102389848 is an abundant number, since it is smaller than the sum of its proper divisors (499627210152).

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

197102389848 is a wasteful number, since it uses less digits than its factorization.

197102389848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 197102389848 in words is "one hundred ninety-seven billion, one hundred two million, three hundred eighty-nine thousand, eight hundred forty-eight".