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2010200231 = 13154630787
BaseRepresentation
bin111011111010001…
…0011100010100111
312012002112202022102
41313310103202213
513104102401411
6531245322315
7100546264034
oct16764234247
95162482272
102010200231
11941784206
1248126639b
132606090c0
14150d9238b
15bb729d3b
hex77d138a7

2010200231 has 4 divisors (see below), whose sum is σ = 2164831032. Its totient is φ = 1855569432.

The previous prime is 2010200201. The next prime is 2010200233. The reversal of 2010200231 is 1320020102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2010200231 - 26 = 2010200167 is a prime.

It is a super-2 number, since 2×20102002312 = 8081809937424906722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010200233) 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, 77315381 + ... + 77315406.

It is an arithmetic number, because the mean of its divisors is an integer number (541207758).

Almost surely, 22010200231 is an apocalyptic number.

2010200231 is a deficient number, since it is larger than the sum of its proper divisors (154630801).

2010200231 is a wasteful number, since it uses less digits than its factorization.

2010200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154630800.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2010200231 is about 44835.2565622190. The cubic root of 2010200231 is about 1262.0593331323.

Adding to 2010200231 its reverse (1320020102), we get a palindrome (3330220333).

The spelling of 2010200231 in words is "two billion, ten million, two hundred thousand, two hundred thirty-one".

Divisors: 1 13 154630787 2010200231