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2102012010 = 232576435189
BaseRepresentation
bin111110101001010…
…0010100001101010
312102111022021101200
41331102202201222
513301103341020
6544325225030
7103042543620
oct17522424152
95374267350
102102012010
1198959280a
124a7b62176
132766438b7
1415d251510
15c4813590
hex7d4a286a

2102012010 has 96 divisors (see below), whose sum is σ = 6256897920. Its totient is φ = 479620224.

The previous prime is 2102011981. The next prime is 2102012027. The reversal of 2102012010 is 102102012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2102011983 and 2102012001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402496 + ... + 407684.

It is an arithmetic number, because the mean of its divisors is an integer number (65176020).

Almost surely, 22102012010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128448960).

2102012010 is an abundant number, since it is smaller than the sum of its proper divisors (4154885910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102012010 is a wasteful number, since it uses less digits than its factorization.

2102012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2102012010 is about 45847.7045226912. The cubic root of 2102012010 is about 1280.9880087435.

Adding to 2102012010 its reverse (102102012), we get a palindrome (2204114022).

The spelling of 2102012010 in words is "two billion, one hundred two million, twelve thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 643 1286 1929 3215 3858 4501 5189 5787 6430 9002 9645 10378 11574 13503 15567 19290 22505 25945 27006 28935 31134 36323 40509 45010 46701 51890 57870 67515 72646 77835 81018 93402 108969 135030 155670 181615 202545 217938 233505 326907 363230 405090 467010 544845 653814 1089690 1634535 3269070 3336527 6673054 10009581 16682635 20019162 23355689 30028743 33365270 46711378 50047905 60057486 70067067 100095810 116778445 140134134 150143715 210201201 233556890 300287430 350335335 420402402 700670670 1051006005 2102012010