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1302101233220 = 225260924954029
BaseRepresentation
bin10010111100101011010…
…010000000111001000100
311121110221200012011022202
4102330223102000321010
5132313200403430340
62434102124214032
7163034165602634
oct22745322007104
94543850164282
101302101233220
11462244222877
1219043309a318
1395a315276c8
14470446766c4
1523d0d632c15
hex12f2b480e44

1302101233220 has 24 divisors (see below), whose sum is σ = 2735460768600. Its totient is φ = 520640840192.

The previous prime is 1302101233211. The next prime is 1302101233253. The reversal of 1302101233220 is 223321012031.

It can be written as a sum of positive squares in 4 ways, for example, as 4980689476 + 1297120543744 = 70574^2 + 1138912^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1302101233192 and 1302101233201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12424835 + ... + 12529194.

It is an arithmetic number, because the mean of its divisors is an integer number (113977532025).

Almost surely, 21302101233220 is an apocalyptic number.

1302101233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302101233220 is an abundant number, since it is smaller than the sum of its proper divisors (1433359535380).

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

1302101233220 is a wasteful number, since it uses less digits than its factorization.

1302101233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24956647 (or 24956645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1302101233220 its reverse (223321012031), we get a palindrome (1525422245251).

The spelling of 1302101233220 in words is "one trillion, three hundred two billion, one hundred one million, two hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2609 5218 10436 13045 26090 52180 24954029 49908058 99816116 124770145 249540290 499080580 65105061661 130210123322 260420246644 325525308305 651050616610 1302101233220