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197942072183 = 6116319907681
BaseRepresentation
bin1011100001011001000…
…1000101001101110111
3200220220220221010020122
42320112101011031313
511220341132302213
6230533333322155
720205121565312
oct2702621051567
9626826833218
10197942072183
1176a46159609
123244249635b
1315886b720cb
14981aa67979
15523796cd08
hex2e16445377

197942072183 has 8 divisors (see below), whose sum is σ = 202421310576. Its totient is φ = 193502649600.

The previous prime is 197942072171. The next prime is 197942072201. The reversal of 197942072183 is 381270249791.

197942072183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 197942072183 - 224 = 197925294967 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 (197942072483) 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, 9943898 + ... + 9963783.

It is an arithmetic number, because the mean of its divisors is an integer number (25302663822).

Almost surely, 2197942072183 is an apocalyptic number.

197942072183 is a deficient number, since it is larger than the sum of its proper divisors (4479238393).

197942072183 is a wasteful number, since it uses less digits than its factorization.

197942072183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19907905.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 197942072183 in words is "one hundred ninety-seven billion, nine hundred forty-two million, seventy-two thousand, one hundred eighty-three".

Divisors: 1 61 163 9943 19907681 1214368541 3244952003 197942072183