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101222031200 = 2552126527539
BaseRepresentation
bin101111001000101001…
…1011001111101100000
3100200021100002221220112
41132101103121331200
53124300314444300
6114300055230452
710212243032453
oct1362123317540
9320240087815
10101222031200
1139a2321a244
121774b078428
139711a48a24
144c8348749a
152976677e35
hex17914d9f60

101222031200 has 36 divisors (see below), whose sum is σ = 247108285620. Its totient is φ = 40488812160.

The previous prime is 101222031187. The next prime is 101222031241. The reversal of 101222031200 is 2130222101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 63262970 + ... + 63264569.

It is an arithmetic number, because the mean of its divisors is an integer number (6864119045).

Almost surely, 2101222031200 is an apocalyptic number.

101222031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222031200 is an abundant number, since it is smaller than the sum of its proper divisors (145886254420).

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

101222031200 is a wasteful number, since it uses less digits than its factorization.

101222031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126527559 (or 126527546 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101222031200 its reverse (2130222101), we get a palindrome (103352253301).

The spelling of 101222031200 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 126527539 253055078 506110156 632637695 1012220312 1265275390 2024440624 2530550780 3163188475 4048881248 5061101560 6326376950 10122203120 12652753900 20244406240 25305507800 50611015600 101222031200