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99426205470361 = 721121294972
BaseRepresentation
bin10110100110110101110111…
…101010001000111010011001
3111001001001102012200022001211
4112212311313222020322121
5101012444332100022421
6551243433534343121
726641210026126400
oct2646656752107231
9431031365608054
1099426205470361
1129753464a52400
12b19956b05aaa1
134362b0a6b0323
141a7a37b06a637
15b764853909e1
hex5a6d77a88e99

99426205470361 has 27 divisors (see below), whose sum is σ = 127130356605567. Its totient is φ = 77474367025440.

The previous prime is 99426205470359. The next prime is 99426205470373. The reversal of 99426205470361 is 16307450262499.

The square root of 99426205470361 is 9971269.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6001299560025 + 93424905910336 = 2449755^2 + 9665656^2 .

It is not a de Polignac number, because 99426205470361 - 21 = 99426205470359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99426205470296 and 99426205470305.

It is not an unprimeable number, because it can be changed into a prime (99426205480361) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 767722965 + ... + 767852461.

Almost surely, 299426205470361 is an apocalyptic number.

99426205470361 is the 9971269-th square number.

99426205470361 is the 4985635-th centered octagonal number.

It is an amenable number.

99426205470361 is a deficient number, since it is larger than the sum of its proper divisors (27704151135206).

99426205470361 is an frugal number, since it uses more digits than its factorization.

99426205470361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259030 (or 129515 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 99426205470361 in words is "ninety-nine trillion, four hundred twenty-six billion, two hundred five million, four hundred seventy thousand, three hundred sixty-one".

Divisors: 1 7 11 49 77 121 539 847 5929 129497 906479 1424467 6345353 9971269 15669137 69798883 109683959 767787713 16769473009 117386311063 184464203099 821704177441 1291249421693 2029106234089 9038745951851 14203743638623 99426205470361