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2123112052 = 221733068081
BaseRepresentation
bin111111010001100…
…0001111001110100
312110222000021012201
41332203001321310
513322004041202
6550401354244
7103420104025
oct17643017164
95428007181
102123112052
1199a494566
124b3038984
1327ab20929
14161d84c4c
15c65d0387
hex7e8c1e74

2123112052 has 12 divisors (see below), whose sum is σ = 3736923876. Its totient is φ = 1055419520.

The previous prime is 2123112049. The next prime is 2123112053. The reversal of 2123112052 is 2502113212.

It can be written as a sum of positive squares in 2 ways, for example, as 1674773776 + 448338276 = 40924^2 + 21174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123112053) 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 3 ways as a sum of consecutive naturals, for example, 1533349 + ... + 1534732.

It is an arithmetic number, because the mean of its divisors is an integer number (311410323).

Almost surely, 22123112052 is an apocalyptic number.

It is an amenable number.

2123112052 is a deficient number, since it is larger than the sum of its proper divisors (1613811824).

2123112052 is a wasteful number, since it uses less digits than its factorization.

2123112052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068258 (or 3068256 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2123112052 is about 46077.2400649171. The cubic root of 2123112052 is about 1285.2599416598.

Adding to 2123112052 its reverse (2502113212), we get a palindrome (4625225264).

The spelling of 2123112052 in words is "two billion, one hundred twenty-three million, one hundred twelve thousand, fifty-two".

Divisors: 1 2 4 173 346 692 3068081 6136162 12272324 530778013 1061556026 2123112052