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197668677941 = 7531274195273
BaseRepresentation
bin1011100000010111111…
…0001010100100110101
3200220012212111020211222
42320011332022210311
511214311140143231
6230450245440125
720165262016460
oct2700576124465
9626185436758
10197668677941
11769158a7459
1232386a10045
131584232b377
1497d261c2d7
15521d96727b
hex2e05f8a935

197668677941 has 16 divisors (see below), whose sum is σ = 231981871104. Its totient is φ = 164924532864.

The previous prime is 197668677911. The next prime is 197668677949. The reversal of 197668677941 is 149776866791.

197668677941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197668677941 - 218 = 197668415797 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 (197668677949) 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 15 ways as a sum of consecutive naturals, for example, 2050520 + ... + 2144753.

It is an arithmetic number, because the mean of its divisors is an integer number (14498866944).

Almost surely, 2197668677941 is an apocalyptic number.

It is an amenable number.

197668677941 is a deficient number, since it is larger than the sum of its proper divisors (34313193163).

197668677941 is a wasteful number, since it uses less digits than its factorization.

197668677941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195460.

The product of its digits is 192036096, while the sum is 71.

The spelling of 197668677941 in words is "one hundred ninety-seven billion, six hundred sixty-eight million, six hundred seventy-seven thousand, nine hundred forty-one".

Divisors: 1 7 53 127 371 889 6731 47117 4195273 29366911 222349469 532799671 1556446283 3729597697 28238382563 197668677941