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311045411411020 = 2251113108757136857
BaseRepresentation
bin100011010111001001110011…
…1010000011001010001001100
31111210022122120112011222001101
41012232103213100121101030
5311232132000310123040
63021312142255552444
7122342201154410626
oct10656234720312114
91453278515158041
10311045411411020
1190121688893690
122aa76826b2b724
13104735c1a45480
1456b496d131c16
1525e6011b2109a
hex11ae4e741944c

311045411411020 has 48 divisors (see below), whose sum is σ = 767390357670048. Its totient is φ = 104406851381760.

The previous prime is 311045411410933. The next prime is 311045411411083. The reversal of 311045411411020 is 20114114540113.

It is a self number, because there is not a number n which added to its sum of digits gives 311045411411020.

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, 54378565569 + ... + 54378571288.

It is an arithmetic number, because the mean of its divisors is an integer number (15987299118126).

Almost surely, 2311045411411020 is an apocalyptic number.

It is an amenable number.

311045411411020 is an abundant number, since it is smaller than the sum of its proper divisors (456344946259028).

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

311045411411020 is a wasteful number, since it uses less digits than its factorization.

311045411411020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108757136890 (or 108757136888 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 311045411411020 its reverse (20114114540113), we get a palindrome (331159525951133).

The spelling of 311045411411020 in words is "three hundred eleven trillion, forty-five billion, four hundred eleven million, four hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 108757136857 217514273714 435028547428 543785684285 1087571368570 1196328505427 1413842779141 2175142737140 2392657010854 2827685558282 4785314021708 5655371116564 5981642527135 7069213895705 11963285054270 14138427791410 15552270570551 23926570108540 28276855582820 31104541141102 62209082282204 77761352852755 155522705705510 311045411411020