Search a number
-
+
3231143143504 = 2431107563108139
BaseRepresentation
bin101111000001001111001…
…000111010100001010000
3102102220010220212120101221
4233001033020322201100
5410414340121043004
610512211111134424
7452304511362613
oct57011710724120
912386126776357
103231143143504
111036358083601
12442273374414
131a5906cbc433
14b256119217a
15590b1d4b354
hex2f04f23a850

3231143143504 has 80 divisors (see below), whose sum is σ = 6534327490560. Its totient is φ = 1546079264640.

The previous prime is 3231143143483. The next prime is 3231143143603. The reversal of 3231143143504 is 4053413411323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231143143504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29825467 + ... + 29933605.

It is an arithmetic number, because the mean of its divisors is an integer number (81679093632).

Almost surely, 23231143143504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231143143504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267163745280).

3231143143504 is an abundant number, since it is smaller than the sum of its proper divisors (3303184347056).

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

3231143143504 is a wasteful number, since it uses less digits than its factorization.

3231143143504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108848 (or 108842 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 3231143143504 its reverse (4053413411323), we get a palindrome (7284556554827).

The spelling of 3231143143504 in words is "three trillion, two hundred thirty-one billion, one hundred forty-three million, one hundred forty-three thousand, five hundred four".

Divisors: 1 2 4 8 16 31 62 107 124 214 248 428 496 563 856 1126 1712 2252 3317 4504 6634 9008 13268 17453 26536 34906 53072 60241 69812 108139 120482 139624 216278 240964 279248 432556 481928 865112 963856 1730224 1867471 3352309 3734942 6704618 7469884 11570873 13409236 14939768 23141746 26818472 29879536 46283492 53636944 60882257 92566984 121764514 185133968 243529028 358697063 487058056 717394126 974116112 1434788252 1887349967 2869576504 3774699934 5739153008 6514401499 7549399868 13028802998 15098799736 26057605996 30197599472 52115211992 104230423984 201946446469 403892892938 807785785876 1615571571752 3231143143504