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197823709248 = 26311253160663
BaseRepresentation
bin1011100000111100110…
…1100100000001000000
3200220121200012122211020
42320033031210001000
511220120332143443
6230513504345440
720202153533004
oct2701715440100
9626550178736
10197823709248
1176995365800
123240a915280
131586849c379
149809056704
15522c38c583
hex2e0f364040

197823709248 has 168 divisors, whose sum is σ = 586175534784. Its totient is φ = 58815144960.

The previous prime is 197823709231. The next prime is 197823709283. The reversal of 197823709248 is 842907328791.

It is a junction number, because it is equal to n+sod(n) for n = 197823709191 and 197823709200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150965 + ... + 1311627.

It is an arithmetic number, because the mean of its divisors is an integer number (3489140088).

Almost surely, 2197823709248 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 197823709248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293087767392).

197823709248 is an abundant number, since it is smaller than the sum of its proper divisors (388351825536).

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

197823709248 is a wasteful number, since it uses less digits than its factorization.

197823709248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160753 (or 160732 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 197823709248 in words is "one hundred ninety-seven billion, eight hundred twenty-three million, seven hundred nine thousand, two hundred forty-eight".