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2123012133 = 331115147339
BaseRepresentation
bin111111010001010…
…1001100000100101
312110221211012011000
41332202221200211
513321442342013
6550355303513
7103416206514
oct17642514045
95427735130
102123012133
1199a426490
124b2baab99
1327aab72c8
14161d5a67b
15c65b0973
hex7e8a9825

2123012133 has 32 divisors (see below), whose sum is σ = 3453926400. Its totient is φ = 1278126000.

The previous prime is 2123012119. The next prime is 2123012147. The reversal of 2123012133 is 3312103212.

It is an interprime number because it is at equal distance from previous prime (2123012119) and next prime (2123012147).

It is not a de Polignac number, because 2123012133 - 210 = 2123011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123012833) 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, 21178 + ... + 68516.

It is an arithmetic number, because the mean of its divisors is an integer number (107935200).

Almost surely, 22123012133 is an apocalyptic number.

It is an amenable number.

2123012133 is a deficient number, since it is larger than the sum of its proper divisors (1330914267).

2123012133 is a wasteful number, since it uses less digits than its factorization.

2123012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47510 (or 47504 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123012133 is about 46076.1557966808. The cubic root of 2123012133 is about 1285.2397788202.

Adding to 2123012133 its reverse (3312103212), we get a palindrome (5435115345).

The spelling of 2123012133 in words is "two billion, one hundred twenty-three million, twelve thousand, one hundred thirty-three".

Divisors: 1 3 9 11 27 33 99 151 297 453 1359 1661 4077 4983 14949 44847 47339 142017 426051 520729 1278153 1562187 4686561 7148189 14059683 21444567 64333701 78630079 193001103 235890237 707670711 2123012133