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10120210101010 = 25171011361433073
BaseRepresentation
bin1001001101000100101110…
…0001110011001100010010
31022211111000211202002201201
42103101023201303030102
52311302142241213020
633305054344421414
72063106145344142
oct223211341631422
938744024662651
1010120210101010
113251a58850139
121175445a7786a
13585440a256c9
1426db6c326922
151283b359aa0a
hex9344b873312

10120210101010 has 64 divisors (see below), whose sum is σ = 19493256649824. Its totient is φ = 3769458688000.

The previous prime is 10120210101007. The next prime is 10120210101019. The reversal of 10120210101010 is 1010101202101.

It can be written as a sum of positive squares in 16 ways, for example, as 3676679696089 + 6443530404921 = 1917467^2 + 2538411^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10120210101019) 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, 23151834 + ... + 23584906.

Almost surely, 210120210101010 is an apocalyptic number.

10120210101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120210101010 is a deficient number, since it is larger than the sum of its proper divisors (9373046548814).

10120210101010 is a wasteful number, since it uses less digits than its factorization.

10120210101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434559.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10120210101010 its reverse (1010101202101), we get a palindrome (11130311303111).

It can be divided in two parts, 1012021010 and 1010, that multiplied together give a square (1022141220100 = 10110102).

The spelling of 10120210101010 in words is "ten trillion, one hundred twenty billion, two hundred ten million, one hundred one thousand, ten".

Divisors: 1 2 5 10 17 34 85 101 170 202 505 1010 1361 1717 2722 3434 6805 8585 13610 17170 23137 46274 115685 137461 231370 274922 433073 687305 866146 1374610 2165365 2336837 4330730 4673674 7362241 11684185 14724482 23368370 36811205 43740373 73622410 87480746 218701865 437403730 589412353 743586341 1178824706 1487172682 2947061765 3717931705 5894123530 7435863410 10020010001 20040020002 50100050005 59530647653 100200100010 119061295306 297653238265 595306476530 1012021010101 2024042020202 5060105050505 10120210101010