Search a number
-
+
2988784711140 = 2235192312590249
BaseRepresentation
bin101011011111100001011…
…100110111010111100100
3101120201120112201120102020
4223133201130313113210
5342432012341224030
610205010112543140
7425634604605654
oct53374134672744
911521515646366
102988784711140
11a5259a063208
124032b5b51ab0
13188ac21272c7
14a492d5c4364
1552b29d2a510
hex2b7e17375e4

2988784711140 has 48 divisors (see below), whose sum is σ = 8369035584000. Its totient is φ = 796967504640.

The previous prime is 2988784711117. The next prime is 2988784711169. The reversal of 2988784711140 is 411174878892.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 141265 + ... + 2448984.

It is an arithmetic number, because the mean of its divisors is an integer number (174354908000).

Almost surely, 22988784711140 is an apocalyptic number.

2988784711140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2988784711140 is an abundant number, since it is smaller than the sum of its proper divisors (5380250872860).

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

2988784711140 is a wasteful number, since it uses less digits than its factorization.

2988784711140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609492 (or 2609490 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 60.

The spelling of 2988784711140 in words is "two trillion, nine hundred eighty-eight billion, seven hundred eighty-four million, seven hundred eleven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 19231 38462 57693 76924 96155 115386 192310 230772 288465 384620 576930 1153860 2590249 5180498 7770747 10360996 12951245 15541494 25902490 31082988 38853735 51804980 77707470 155414940 49813078519 99626157038 149439235557 199252314076 249065392595 298878471114 498130785190 597756942228 747196177785 996261570380 1494392355570 2988784711140