Search a number
-
+
1021213021130 = 25536797296479
BaseRepresentation
bin11101101110001010000…
…10100001001111001010
310121121221002110112220022
432313011002201033022
5113212421013134010
62101045551100442
7133531416312461
oct16670502411712
93547832415808
101021213021130
11364104144715
12145b02211722
13753b9076653
14375d988b9d8
151b86dc40d55
hexedc50a13ca

1021213021130 has 64 divisors (see below), whose sum is σ = 1920421923840. Its totient is φ = 390724798464.

The previous prime is 1021213021057. The next prime is 1021213021133. The reversal of 1021213021130 is 311203121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021213021099 and 1021213021108.

It is not an unprimeable number, because it can be changed into a prime (1021213021133) 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, 3296231 + ... + 3592709.

It is an arithmetic number, because the mean of its divisors is an integer number (30006592560).

Almost surely, 21021213021130 is an apocalyptic number.

1021213021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021213021130 is a deficient number, since it is larger than the sum of its proper divisors (899208902710).

1021213021130 is a wasteful number, since it uses less digits than its factorization.

1021213021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296703.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021213021130 its reverse (311203121201), we get a palindrome (1332416142331).

The spelling of 1021213021130 in words is "one trillion, twenty-one billion, two hundred thirteen million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 53 67 97 106 134 194 265 335 485 530 670 970 3551 5141 6499 7102 10282 12998 17755 25705 32495 35510 51410 64990 296479 344447 592958 688894 1482395 1722235 2964790 3444470 15713387 19864093 28758463 31426774 39728186 57516926 78566935 99320465 143792315 157133870 198640930 287584630 1052796929 1524198539 1926817021 2105593858 3048397078 3853634042 5263984645 7620992695 9634085105 10527969290 15241985390 19268170210 102121302113 204242604226 510606510565 1021213021130