Search a number
-
+
2231241302444 = 2271121016520513
BaseRepresentation
bin100000011110000000010…
…110000110000110101100
321220022020001011010200012
4200132000112012012230
5243024040233134234
64425003524352352
7320126145100340
oct40360026060654
97808201133605
102231241302444
1179029a601a00
1230051a2456b8
1313253617140b
1479dc7bbb620
153d08e0240ce
hex207805861ac

2231241302444 has 72 divisors (see below), whose sum is σ = 4953608403744. Its totient is φ = 860707584000.

The previous prime is 2231241302401. The next prime is 2231241302449. The reversal of 2231241302444 is 4442031421322.

It is a happy number.

It is a super-3 number, since 3×22312413024443 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231241302444.

It is not an unprimeable number, because it can be changed into a prime (2231241302449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2918069 + ... + 3602444.

Almost surely, 22231241302444 is an apocalyptic number.

It is an amenable number.

2231241302444 is an abundant number, since it is smaller than the sum of its proper divisors (2722367101300).

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

2231241302444 is a wasteful number, since it uses less digits than its factorization.

2231241302444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520647 (or 6520634 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2231241302444 its reverse (4442031421322), we get a palindrome (6673272723766).

The spelling of 2231241302444 in words is "two trillion, two hundred thirty-one billion, two hundred forty-one million, three hundred two thousand, four hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 101 121 154 202 242 308 404 484 707 847 1111 1414 1694 2222 2828 3388 4444 7777 12221 15554 24442 31108 48884 85547 171094 342188 6520513 13041026 26082052 45643591 71725643 91287182 143451286 182574364 286902572 502079501 658571813 788982073 1004159002 1317143626 1577964146 2008318004 2634287252 3155928292 4610002691 5522874511 7244289943 9220005382 11045749022 14488579886 18440010764 22091498044 28977159772 50710029601 79687189373 101420059202 159374378746 202840118404 318748757492 557810325611 1115620651222 2231241302444