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197738241908 = 22404831221119
BaseRepresentation
bin1011100000101000011…
…1100001111101110100
3200220101201101110200012
42320022013201331310
511214431442220113
6230501212435352
720200065216044
oct2701207417564
9626351343605
10197738241908
117695109a939
12323a6178b58
131585387658c
1497db969724
155224b08aa8
hex2e0a1e1f74

197738241908 has 12 divisors (see below), whose sum is σ = 346050754560. Its totient is φ = 98866597752.

The previous prime is 197738241901. The next prime is 197738242019. The reversal of 197738241908 is 809142837791.

197738241908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197738241901) 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 3 ways as a sum of consecutive naturals, for example, 448628 + ... + 772491.

It is an arithmetic number, because the mean of its divisors is an integer number (28837562880).

Almost surely, 2197738241908 is an apocalyptic number.

It is an amenable number.

197738241908 is a deficient number, since it is larger than the sum of its proper divisors (148312512652).

197738241908 is a wasteful number, since it uses less digits than its factorization.

197738241908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261606 (or 1261604 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 197738241908 in words is "one hundred ninety-seven billion, seven hundred thirty-eight million, two hundred forty-one thousand, nine hundred eight".

Divisors: 1 2 4 40483 80966 161932 1221119 2442238 4884476 49434560477 98869120954 197738241908