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2149190944 = 25331202907
BaseRepresentation
bin1000000000011010…
…0000110100100000
312112210002012201121
42000012200310200
513400143102234
6553132342024
7104154551545
oct20006406440
95483065647
102149190944
11a03186a6a
124bb914914
13283351c24
14165612bcc
15c8a324b4
hex801a0d20

2149190944 has 24 divisors (see below), whose sum is σ = 4244023728. Its totient is φ = 1071343680.

The previous prime is 2149190933. The next prime is 2149190963. The reversal of 2149190944 is 4490919412.

It is a super-2 number, since 2×21491909442 = 9238043427543222272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2149190944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90862 + ... + 112045.

It is an arithmetic number, because the mean of its divisors is an integer number (176834322).

Almost surely, 22149190944 is an apocalyptic number.

It is an amenable number.

2149190944 is a deficient number, since it is larger than the sum of its proper divisors (2094832784).

2149190944 is a wasteful number, since it uses less digits than its factorization.

2149190944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203248 (or 203240 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2149190944 is about 46359.3673813610. The cubic root of 2149190944 is about 1290.5009660141.

The spelling of 2149190944 in words is "two billion, one hundred forty-nine million, one hundred ninety thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 331 662 1324 2648 5296 10592 202907 405814 811628 1623256 3246512 6493024 67162217 134324434 268648868 537297736 1074595472 2149190944