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2061396197 = 7373378887
BaseRepresentation
bin111101011011110…
…0110100011100101
312022122212202222022
41322313212203211
513210204134242
6540314512525
7102040402310
oct17267464345
95278782868
102061396197
11968671523
12496435745
1326b0c2983
14157abb977
15c0e8e0d2
hex7ade68e5

2061396197 has 8 divisors (see below), whose sum is σ = 2356542336. Its totient is φ = 1766415312.

The previous prime is 2061396157. The next prime is 2061396199. The reversal of 2061396197 is 7916931602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2061396197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061396199) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13313 + ... + 65574.

It is an arithmetic number, because the mean of its divisors is an integer number (294567792).

Almost surely, 22061396197 is an apocalyptic number.

It is an amenable number.

2061396197 is a deficient number, since it is larger than the sum of its proper divisors (295146139).

2061396197 is an equidigital number, since it uses as much as digits as its factorization.

2061396197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82627.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 2061396197 is about 45402.6012140274. The cubic root of 2061396197 is about 1272.6837242686.

The spelling of 2061396197 in words is "two billion, sixty-one million, three hundred ninety-six thousand, one hundred ninety-seven".

Divisors: 1 7 3733 26131 78887 552209 294485171 2061396197