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2098111844 = 223769139169
BaseRepresentation
bin111110100001110…
…1010010101100100
312102012222010101002
41331003222111210
513244104034334
6544105452432
7102664441103
oct17503522544
95365863332
102098111844
11987369534
124a67a1118
132758a95ca
1415c91803a
15c42e2b7e
hex7d0ea564

2098111844 has 12 divisors (see below), whose sum is σ = 3672696300. Its totient is φ = 1048770048.

The previous prime is 2098111811. The next prime is 2098111849. The reversal of 2098111844 is 4481118902.

It can be written as a sum of positive squares in 2 ways, for example, as 1316238400 + 781873444 = 36280^2 + 27962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2098111798 and 2098111807.

It is not an unprimeable number, because it can be changed into a prime (2098111849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54509 + ... + 84660.

It is an arithmetic number, because the mean of its divisors is an integer number (306058025).

Almost surely, 22098111844 is an apocalyptic number.

It is an amenable number.

2098111844 is a deficient number, since it is larger than the sum of its proper divisors (1574584456).

2098111844 is a wasteful number, since it uses less digits than its factorization.

2098111844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142942 (or 142940 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 2098111844 is about 45805.1508457291. The cubic root of 2098111844 is about 1280.1952509767.

The spelling of 2098111844 in words is "two billion, ninety-eight million, one hundred eleven thousand, eight hundred forty-four".

Divisors: 1 2 4 3769 7538 15076 139169 278338 556676 524527961 1049055922 2098111844