Search a number
-
+
2120222101210 = 251742129624453
BaseRepresentation
bin11110110110100111000…
…101011100111011011010
321111200122220221101001021
4132312213011130323122
5234214203324214320
64302003325513054
7306116036334613
oct36664705347332
97450586841037
102120222101210
117481aa113924
122a2ab611278a
13124c22773675
14748954ccc0a
153a242705daa
hex1eda715ceda

2120222101210 has 32 divisors (see below), whose sum is σ = 4050492346512. Its totient is φ = 796305269760.

The previous prime is 2120222101201. The next prime is 2120222101211. The reversal of 2120222101210 is 121012220212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 159289590321 + 1960932510889 = 399111^2 + 1400333^2 .

It is a super-3 number, since 3×21202221012103 (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120222101211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14740657 + ... + 14883796.

Almost surely, 22120222101210 is an apocalyptic number.

2120222101210 is a deficient number, since it is larger than the sum of its proper divisors (1930270245302).

2120222101210 is a wasteful number, since it uses less digits than its factorization.

2120222101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29624898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120222101210 its reverse (121012220212), we get a palindrome (2241234321422).

The spelling of 2120222101210 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 421 842 2105 4210 7157 14314 35785 71570 29624453 59248906 148122265 296244530 503615701 1007231402 2518078505 5036157010 12471894713 24943789426 62359473565 124718947130 212022210121 424044420242 1060111050605 2120222101210