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99190353025 = 52629892
BaseRepresentation
bin101110001100000110…
…1001010110010000001
3100111000202011000101201
41130120031022302001
53111120212244100
6113322321301201
710111013042461
oct1343015126201
9314022130351
1099190353025
1139080406375
1217282794801
139479b5c8aa
144b2d703ba1
1528a810936a
hex171834ac81

99190353025 has 9 divisors (see below), whose sum is σ = 122997990441. Its totient is φ = 79351022640.

The previous prime is 99190353011. The next prime is 99190353049. The reversal of 99190353025 is 52035309199.

The square root of 99190353025 is 314945.

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

It can be written as a sum of positive squares in 4 ways, for example, as 42972046209 + 56218306816 = 207297^2 + 237104^2 .

It is a de Polignac number, because none of the positive numbers 2k-99190353025 is a prime.

It is a super-2 number, since 2×991903530252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1543231 + ... + 1606219.

Almost surely, 299190353025 is an apocalyptic number.

99190353025 is the 314945-th square number.

99190353025 is the 157473-rd centered octagonal number.

It is an amenable number.

99190353025 is a deficient number, since it is larger than the sum of its proper divisors (23807637416).

99190353025 is an frugal number, since it uses more digits than its factorization.

99190353025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125988 (or 62994 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 46.

The spelling of 99190353025 in words is "ninety-nine billion, one hundred ninety million, three hundred fifty-three thousand, twenty-five".

Divisors: 1 5 25 62989 314945 1574725 3967614121 19838070605 99190353025