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161096232200 = 235210122812
BaseRepresentation
bin1001011000001000010…
…1010110110100001000
3120101211001222111212112
42112002011112310020
510114411113412300
6202001231201452
714432054244311
oct2260205266410
9511731874775
10161096232200
1162358694692
122727a976288
13122643cb627
147b23351608
1542ccd2be35
hex2582156d08

161096232200 has 108 divisors (see below), whose sum is σ = 379644892485. Its totient is φ = 63573440000.

The previous prime is 161096232191. The next prime is 161096232217. The reversal of 161096232200 is 2232690161.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 14 ways, for example, as 54964926916 + 106131305284 = 234446^2 + 325778^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=283810.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 573296060 + ... + 573296340.

Almost surely, 2161096232200 is an apocalyptic number.

161096232200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161096232200

161096232200 is an abundant number, since it is smaller than the sum of its proper divisors (218548660285).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161096232200 is an equidigital number, since it uses as much as digits as its factorization.

161096232200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

Multiplying 161096232200 by its sum of digits (32), we get a square (5155079430400 = 22704802).

The spelling of 161096232200 in words is "one hundred sixty-one billion, ninety-six million, two hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 200 202 281 404 505 562 808 1010 1124 1405 2020 2248 2525 2810 4040 5050 5620 7025 10100 10201 11240 14050 20200 20402 28100 28381 40804 51005 56200 56762 78961 81608 102010 113524 141905 157922 204020 227048 255025 283810 315844 394805 408040 510050 567620 631688 709525 789610 1020100 1135240 1419050 1579220 1974025 2040200 2838100 2866481 3158440 3948050 5676200 5732962 7896100 7975061 11465924 14332405 15792200 15950122 22931848 28664810 31900244 39875305 57329620 63800488 71662025 79750610 114659240 143324050 159501220 199376525 286648100 319002440 398753050 573296200 797506100 805481161 1595012200 1610962322 3221924644 4027405805 6443849288 8054811610 16109623220 20137029025 32219246440 40274058050 80548116100 161096232200