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10100120201 = 61165575741
BaseRepresentation
bin10010110100000001…
…11001101010001001
3222001220011021012222
421122000321222021
5131141112321301
64350120343425
7505201414403
oct113200715211
928056137188
1010100120201
114313288886
121b5a614b75
13c4c6738b2
146bb585b73
153e1a8831b
hex25a039a89

10100120201 has 4 divisors (see below), whose sum is σ = 10265696004. Its totient is φ = 9934544400.

The previous prime is 10100120161. The next prime is 10100120207. The reversal of 10100120201 is 10202100101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4576657801 + 5523462400 = 67651^2 + 74320^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100120201 - 214 = 10100103817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100120207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82787810 + ... + 82787931.

It is an arithmetic number, because the mean of its divisors is an integer number (2566424001).

Almost surely, 210100120201 is an apocalyptic number.

It is an amenable number.

10100120201 is a deficient number, since it is larger than the sum of its proper divisors (165575803).

10100120201 is an equidigital number, since it uses as much as digits as its factorization.

10100120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165575802.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10100120201 its reverse (10202100101), we get a palindrome (20302220302).

The spelling of 10100120201 in words is "ten billion, one hundred million, one hundred twenty thousand, two hundred one".

Divisors: 1 61 165575741 10100120201