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2021302023 = 3132171912343
BaseRepresentation
bin111100001111010…
…1001111100000111
312012212102210002220
41320132221330013
513114423131043
6532323303423
7101042532546
oct17036517407
95185383086
102021302023
11947a77144
12484b1ab73
132629c5300
1415264215d
15bc6be483
hex787a9f07

2021302023 has 48 divisors (see below), whose sum is σ = 3252890880. Its totient is φ = 1109002752.

The previous prime is 2021301937. The next prime is 2021302027. The reversal of 2021302023 is 3202031202.

It is not a de Polignac number, because 2021302023 - 210 = 2021300999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021301993 and 2021302011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021302027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157590 + ... + 169932.

It is an arithmetic number, because the mean of its divisors is an integer number (67768560).

Almost surely, 22021302023 is an apocalyptic number.

2021302023 is a deficient number, since it is larger than the sum of its proper divisors (1231588857).

2021302023 is a wasteful number, since it uses less digits than its factorization.

2021302023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408 (or 12395 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021302023 is about 44958.8925908991. The cubic root of 2021302023 is about 1264.3784065645.

Adding to 2021302023 its reverse (3202031202), we get a palindrome (5223333225).

The spelling of 2021302023 in words is "two billion, twenty-one million, three hundred two thousand, twenty-three".

Divisors: 1 3 13 17 19 39 51 57 169 221 247 323 507 663 741 969 2873 3211 4199 8619 9633 12343 12597 37029 54587 160459 163761 209831 234517 481377 629493 703551 2085967 2727803 3048721 3986789 6257901 8183409 9146163 11960367 35461439 39633373 51828257 106384317 118900119 155484771 673767341 2021302023