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2123231133 = 317198632539
BaseRepresentation
bin111111010001101…
…1110111110011101
312110222020022120010
41332203132332131
513322021344013
6550404113433
7103421111142
oct17643367635
95428208503
102123231133
1199a565a81
124b3095879
1327ab62baa
14161db63c9
15c66057c3
hex7e8def9d

2123231133 has 32 divisors (see below), whose sum is σ = 3160166400. Its totient is φ = 1260147456.

The previous prime is 2123231129. The next prime is 2123231141. The reversal of 2123231133 is 3311323212.

It is not a de Polignac number, because 2123231133 - 22 = 2123231129 is a prime.

It is a super-2 number, since 2×21232311332 = 9016220888280927378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123231183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834978 + ... + 837516.

It is an arithmetic number, because the mean of its divisors is an integer number (98755200).

Almost surely, 22123231133 is an apocalyptic number.

It is an amenable number.

2123231133 is a deficient number, since it is larger than the sum of its proper divisors (1036935267).

2123231133 is a wasteful number, since it uses less digits than its factorization.

2123231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441.

The product of its digits is 648, while the sum is 21.

The square root of 2123231133 is about 46078.5322357386. The cubic root of 2123231133 is about 1285.2839704084.

Adding to 2123231133 its reverse (3311323212), we get a palindrome (5434554345).

The spelling of 2123231133 in words is "two billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 3 17 19 51 57 323 863 969 2539 2589 7617 14671 16397 43163 44013 48241 49191 129489 144723 278749 820097 836247 2191157 2460291 6573471 37249669 41631983 111749007 124895949 707743711 2123231133