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202142013 = 3411643431
BaseRepresentation
bin11000000110001…
…11000100111101
3112002100212201020
430003013010331
5403222021023
632020334353
75003115213
oct1403070475
9462325636
10202142013
11a4116317
12578443b9
1332b57278
141cbbccb3
1512b2dde3
hexc0c713d

202142013 has 8 divisors (see below), whose sum is σ = 276096576. Its totient is φ = 131474400.

The previous prime is 202141997. The next prime is 202142021. The reversal of 202142013 is 310241202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202142013 - 24 = 202141997 is a prime.

It is a super-2 number, since 2×2021420132 = 81722786839384338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202141983 and 202142001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821593 + ... + 821838.

It is an arithmetic number, because the mean of its divisors is an integer number (34512072).

Almost surely, 2202142013 is an apocalyptic number.

It is an amenable number.

202142013 is a deficient number, since it is larger than the sum of its proper divisors (73954563).

202142013 is a wasteful number, since it uses less digits than its factorization.

202142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202142013 is about 14217.6655256761. The cubic root of 202142013 is about 586.8838996587.

Adding to 202142013 its reverse (310241202), we get a palindrome (512383215).

The spelling of 202142013 in words is "two hundred two million, one hundred forty-two thousand, thirteen".

Divisors: 1 3 41 123 1643431 4930293 67380671 202142013