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201032130121 = 1095093623441
BaseRepresentation
bin1011101100111001110…
…0101101111001001001
3201012220021102022211221
42323032130231321021
511243203211130441
6232204120122041
720344522624504
oct2731634557111
9635807368757
10201032130121
117829143a8a9
1232b65306321
1315c5a0c8a64
149a311d413b
155368da08d1
hex2ece72de49

201032130121 has 8 divisors (see below), whose sum is σ = 203275096200. Its totient is φ = 198796412160.

The previous prime is 201032130097. The next prime is 201032130137. The reversal of 201032130121 is 121031230102.

It can be written as a sum of positive squares in 4 ways, for example, as 44066406400 + 156965723721 = 209920^2 + 396189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201032130121 - 225 = 200998575689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201032130095 and 201032130104.

It is not an unprimeable number, because it can be changed into a prime (201032130521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756240 + ... + 1867201.

It is an arithmetic number, because the mean of its divisors is an integer number (25409387025).

Almost surely, 2201032130121 is an apocalyptic number.

It is an amenable number.

201032130121 is a deficient number, since it is larger than the sum of its proper divisors (2242966079).

201032130121 is a wasteful number, since it uses less digits than its factorization.

201032130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624059.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201032130121 its reverse (121031230102), we get a palindrome (322063360223).

The spelling of 201032130121 in words is "two hundred one billion, thirty-two million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 109 509 55481 3623441 394955069 1844331469 201032130121