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202011210012021 = 3118756728786861
BaseRepresentation
bin101101111011101001100110…
…011010011101010101110101
3222111021002020120002112002220
4231323221212122131111311
5202434222424230341041
61553350400235552553
760356554050332424
oct5573514632352565
9874232216075086
10202011210012021
11594045226a3083
121a7a71615bb759
1388947630cc057
1437c55752112bb
151854b96291d66
hexb7ba6669d575

202011210012021 has 8 divisors (see below), whose sum is σ = 269575195168224. Its totient is φ = 134560682431920.

The previous prime is 202011210011977. The next prime is 202011210012023. The reversal of 202011210012021 is 120210012110202.

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

It is not a de Polignac number, because 202011210012021 - 27 = 202011210011893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011210012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28364389870 + ... + 28364396991.

It is an arithmetic number, because the mean of its divisors is an integer number (33696899396028).

Almost surely, 2202011210012021 is an apocalyptic number.

It is an amenable number.

202011210012021 is a deficient number, since it is larger than the sum of its proper divisors (67563985156203).

202011210012021 is a wasteful number, since it uses less digits than its factorization.

202011210012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56728788051.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202011210012021 its reverse (120210012110202), we get a palindrome (322221222122223).

The spelling of 202011210012021 in words is "two hundred two trillion, eleven billion, two hundred ten million, twelve thousand, twenty-one".

Divisors: 1 3 1187 3561 56728786861 170186360583 67337070004007 202011210012021