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2010240401 = 13154633877
BaseRepresentation
bin111011111010001…
…1101010110010001
312012002121210102012
41313310131112101
513104110143101
6531250232305
7100546522121
oct16764352621
95162553365
102010240401
11941801404
12481285695
13260621480
14150da2c81
15bb736bbb
hex77d1d591

2010240401 has 4 divisors (see below), whose sum is σ = 2164874292. Its totient is φ = 1855606512.

The previous prime is 2010240383. The next prime is 2010240437. The reversal of 2010240401 is 1040420102.

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 877581376 + 1132659025 = 29624^2 + 33655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010240401 - 214 = 2010224017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2010245401) 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, 77316926 + ... + 77316951.

It is an arithmetic number, because the mean of its divisors is an integer number (541218573).

Almost surely, 22010240401 is an apocalyptic number.

It is an amenable number.

2010240401 is a deficient number, since it is larger than the sum of its proper divisors (154633891).

2010240401 is a wasteful number, since it uses less digits than its factorization.

2010240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154633890.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2010240401 is about 44835.7045333292. The cubic root of 2010240401 is about 1262.0677396888.

Adding to 2010240401 its reverse (1040420102), we get a palindrome (3050660503).

The spelling of 2010240401 in words is "two billion, ten million, two hundred forty thousand, four hundred one".

Divisors: 1 13 154633877 2010240401