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10210220201 = 41249029761
BaseRepresentation
bin10011000001001001…
…11001100010101001
3222100120022221000202
421200210321202221
5131402304021301
64405052241545
7511006303556
oct114044714251
928316287022
1010210220201
11436a448615
121b8b4702b5
13c6941261c
146cc045a2d
153eb58566b
hex2609398a9

10210220201 has 4 divisors (see below), whose sum is σ = 10459250004. Its totient is φ = 9961190400.

The previous prime is 10210220173. The next prime is 10210220227. The reversal of 10210220201 is 10202201201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10202201201 = 14968471149.

It can be written as a sum of positive squares in 2 ways, for example, as 931714576 + 9278505625 = 30524^2 + 96325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10210220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210220261) 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, 124514840 + ... + 124514921.

It is an arithmetic number, because the mean of its divisors is an integer number (2614812501).

Almost surely, 210210220201 is an apocalyptic number.

It is an amenable number.

10210220201 is a deficient number, since it is larger than the sum of its proper divisors (249029803).

10210220201 is an equidigital number, since it uses as much as digits as its factorization.

10210220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249029802.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10210220201 its reverse (10202201201), we get a palindrome (20412421402).

The spelling of 10210220201 in words is "ten billion, two hundred ten million, two hundred twenty thousand, two hundred one".

Divisors: 1 41 249029761 10210220201