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2021130120310 = 2571910115046007
BaseRepresentation
bin11101011010010100101…
…111100010110001110110
321011012220000220011211121
4131122110233202301312
5231103233302322220
64144254440454154
7266010326364250
oct35322457426166
97135800804747
102021130120310
1170a17a297a34
1228786047a35a
13118790107642
146db74cb4cd0
153789307deaa
hex1d694be2c76

2021130120310 has 64 divisors (see below), whose sum is σ = 4419915310080. Its totient is φ = 649987459200.

The previous prime is 2021130120307. The next prime is 2021130120311. The reversal of 2021130120310 is 130210311202.

It is a super-2 number, since 2×20211301203102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021130120311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7388674 + ... + 7657333.

It is an arithmetic number, because the mean of its divisors is an integer number (69061176720).

Almost surely, 22021130120310 is an apocalyptic number.

2021130120310 is an abundant number, since it is smaller than the sum of its proper divisors (2398785189770).

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

2021130120310 is a wasteful number, since it uses less digits than its factorization.

2021130120310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046141.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021130120310 its reverse (130210311202), we get a palindrome (2151340431512).

The spelling of 2021130120310 in words is "two trillion, twenty-one billion, one hundred thirty million, one hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 101 133 190 202 266 505 665 707 1010 1330 1414 1919 3535 3838 7070 9595 13433 19190 26866 67165 134330 15046007 30092014 75230035 105322049 150460070 210644098 285874133 526610245 571748266 1053220490 1429370665 1519646707 2001118931 2858741330 3039293414 4002237862 7598233535 10005594655 10637526949 15196467070 20011189310 21275053898 28873287433 53187634745 57746574866 106375269490 144366437165 202113012031 288732874330 404226024062 1010565060155 2021130120310