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202012141 = 263768107
BaseRepresentation
bin11000000101001…
…11010111101101
3112002010021120011
430002213113231
5403203342031
632013453221
75002034452
oct1402472755
9462107504
10202012141
11a4037791
12577a1211
1332b10116
141cb87829
1512b056b1
hexc0a75ed

202012141 has 4 divisors (see below), whose sum is σ = 202780512. Its totient is φ = 201243772.

The previous prime is 202012127. The next prime is 202012147. The reversal of 202012141 is 141210202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202012141 - 221 = 199914989 is a prime.

It is a super-2 number, since 2×2020121412 = 81617810222807762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012147) 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, 383791 + ... + 384316.

It is an arithmetic number, because the mean of its divisors is an integer number (50695128).

Almost surely, 2202012141 is an apocalyptic number.

It is an amenable number.

202012141 is a deficient number, since it is larger than the sum of its proper divisors (768371).

202012141 is an equidigital number, since it uses as much as digits as its factorization.

202012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768370.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 202012141 is about 14213.0975160237. The cubic root of 202012141 is about 586.7581858702.

Adding to 202012141 its reverse (141210202), we get a palindrome (343222343).

It can be divided in two parts, 2020 and 12141, that added together give a square (14161 = 1192).

The spelling of 202012141 in words is "two hundred two million, twelve thousand, one hundred forty-one".

Divisors: 1 263 768107 202012141