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2489991107140 = 2251732273170267
BaseRepresentation
bin100100001110111111000…
…010010001001001000100
322211001002202120010101001
4210032333002101021010
5311244000210412030
65143515222543044
7344616205123645
oct44167702211104
98731082503331
102489991107140
1187aaaa07a9a9
123426b0b97a84
13150a60c00024
14887326b76cc
1544b85097cca
hex243bf091244

2489991107140 has 48 divisors (see below), whose sum is σ = 5282376628032. Its totient is φ = 985876639616.

The previous prime is 2489991107117. The next prime is 2489991107141. The reversal of 2489991107140 is 417011999842.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2489991107141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799714 + ... + 2370553.

It is an arithmetic number, because the mean of its divisors is an integer number (110049513084).

Almost surely, 22489991107140 is an apocalyptic number.

2489991107140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489991107140 is an abundant number, since it is smaller than the sum of its proper divisors (2792385520892).

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

2489991107140 is a wasteful number, since it uses less digits than its factorization.

2489991107140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170676 (or 3170674 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 2489991107140 in words is "two trillion, four hundred eighty-nine billion, nine hundred ninety-one million, one hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 173 227 346 454 692 865 908 1135 1730 2270 3460 4540 39271 78542 157084 196355 392710 785420 3170267 6340534 12681068 15851335 31702670 63405340 548456191 719650609 1096912382 1439301218 2193824764 2742280955 2878602436 3598253045 5484561910 7196506090 10969123820 14393012180 124499555357 248999110714 497998221428 622497776785 1244995553570 2489991107140