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2021010212 = 2213414791979
BaseRepresentation
bin111100001110110…
…0010101100100100
312012211212221211002
41320131202230210
513114334311322
6532313132432
7101040206024
oct17035425444
95184787732
102021010212
11947897981
124849ba118
13262922540
141525a7a84
15bc662c92
hex78762b24

2021010212 has 48 divisors (see below), whose sum is σ = 3911846400. Its totient is φ = 907664640.

The previous prime is 2021010209. The next prime is 2021010227. The reversal of 2021010212 is 2120101202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021010193 and 2021010202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020239 + ... + 1022217.

It is an arithmetic number, because the mean of its divisors is an integer number (81496800).

Almost surely, 22021010212 is an apocalyptic number.

It is an amenable number.

2021010212 is a deficient number, since it is larger than the sum of its proper divisors (1890836188).

2021010212 is a wasteful number, since it uses less digits than its factorization.

2021010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2021010212 is about 44955.6471647334. The cubic root of 2021010212 is about 1264.3175584446.

Adding to 2021010212 its reverse (2120101202), we get a palindrome (4141111414).

The spelling of 2021010212 in words is "two billion, twenty-one million, ten thousand, two hundred twelve".

Divisors: 1 2 4 13 26 41 52 82 164 479 533 958 1066 1916 1979 2132 3958 6227 7916 12454 19639 24908 25727 39278 51454 78556 81139 102908 162278 255307 324556 510614 947941 1021228 1054807 1895882 2109614 3791764 4219228 12323233 24646466 38865581 49292932 77731162 155462324 505252553 1010505106 2021010212