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97155341945 = 5294779181997
BaseRepresentation
bin101101001111011101…
…0001101111001111001
3100021202220220201222222
41122132322031321321
53042433231420240
6112344344053425
710006412531534
oct1323672157171
9307686821888
1097155341945
1138226726432
12169b5164275
13921437771c
1449b9333a1b
1527d962ceb5
hex169ee8de79

97155341945 has 64 divisors (see below), whose sum is σ = 125546803200. Its totient is φ = 72044743680.

The previous prime is 97155341939. The next prime is 97155341947. The reversal of 97155341945 is 54914355179.

It is a happy number.

It is not a de Polignac number, because 97155341945 - 210 = 97155340921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97155341947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97447187 + ... + 97448183.

It is an arithmetic number, because the mean of its divisors is an integer number (1961668800).

Almost surely, 297155341945 is an apocalyptic number.

It is an amenable number.

97155341945 is a deficient number, since it is larger than the sum of its proper divisors (28391461255).

97155341945 is a wasteful number, since it uses less digits than its factorization.

97155341945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its digits is 3402000, while the sum is 53.

The spelling of 97155341945 in words is "ninety-seven billion, one hundred fifty-five million, three hundred forty-one thousand, nine hundred forty-five".

Divisors: 1 5 29 47 79 145 181 235 395 905 997 1363 2291 3713 4985 5249 6815 8507 11455 14299 18565 26245 28913 42535 46859 71495 78763 107677 144565 180457 234295 246703 393815 414671 538385 672053 902285 1233515 1358911 2073355 2284127 3360265 3701861 5233253 6794555 8481479 11420635 14256103 18509305 19489537 26166265 42407395 71280515 97447685 107353969 245962891 413426987 536769845 670036841 1229814455 2067134935 3350184205 19431068389 97155341945