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197931050071 = 1396719211931
BaseRepresentation
bin1011100001010110011…
…1000010010001010111
3200220220011012010202021
42320111213002101113
511220330322100241
6230532301154011
720204626111006
oct2702547022127
9626804163667
10197931050071
1176a3aa10527
123243a85b907
13158847b3251
1498193d8c3d
1552369e20d1
hex2e159c2457

197931050071 has 8 divisors (see below), whose sum is σ = 199385625600. Its totient is φ = 196476912120.

The previous prime is 197931050063. The next prime is 197931050147. The reversal of 197931050071 is 170050139791.

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 197931050071 - 23 = 197931050063 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 (197931050671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827976 + ... + 1039906.

It is an arithmetic number, because the mean of its divisors is an integer number (24923203200).

Almost surely, 2197931050071 is an apocalyptic number.

197931050071 is a deficient number, since it is larger than the sum of its proper divisors (1454575529).

197931050071 is a wasteful number, since it uses less digits than its factorization.

197931050071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218789.

The product of its (nonzero) digits is 59535, while the sum is 43.

The spelling of 197931050071 in words is "one hundred ninety-seven billion, nine hundred thirty-one million, fifty thousand, seventy-one".

Divisors: 1 139 6719 211931 933941 29458409 1423964389 197931050071