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2020030311 = 313613472447
BaseRepresentation
bin111100001100111…
…0011011101100111
312012210001011122110
41320121303131213
513114111432221
6532240132103
7101025655125
oct17031633547
95183034573
102020030311
11947288742
12484607033
1326266b510
141523d0915
15bc51c776
hex78673767

2020030311 has 32 divisors (see below), whose sum is σ = 2957810688. Its totient is φ = 1218695040.

The previous prime is 2020030303. The next prime is 2020030333. The reversal of 2020030311 is 1130300202.

It is a happy number.

It is not a de Polignac number, because 2020030311 - 23 = 2020030303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020030211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824290 + ... + 826736.

It is an arithmetic number, because the mean of its divisors is an integer number (92431584).

Almost surely, 22020030311 is an apocalyptic number.

2020030311 is a deficient number, since it is larger than the sum of its proper divisors (937780377).

2020030311 is a wasteful number, since it uses less digits than its factorization.

2020030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2020030311 is about 44944.7473126727. The cubic root of 2020030311 is about 1264.1131876606.

Adding to 2020030311 its reverse (1130300202), we get a palindrome (3150330513).

The spelling of 2020030311 in words is "two billion, twenty million, thirty thousand, three hundred eleven".

Divisors: 1 3 13 39 61 183 347 793 1041 2379 2447 4511 7341 13533 21167 31811 63501 95433 149267 275171 447801 825513 849109 1940471 2547327 5821413 11038417 33115251 51795649 155386947 673343437 2020030311