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2120203134 = 233710495347
BaseRepresentation
bin111111001011111…
…1011101101111110
312110202112110221000
41332113323231332
513320233000014
6550215151130
7103353300150
oct17627735576
95422473830
102120203134
11998887aa5
124b20754a6
1327a34288a
14161828ad0
15c6208509
hex7e5fbb7e

2120203134 has 64 divisors (see below), whose sum is σ = 5390784000. Its totient is φ = 605081664.

The previous prime is 2120203117. The next prime is 2120203139. The reversal of 2120203134 is 4313020212.

It is a super-2 number, since 2×21202031342 = 8990522658846843912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120203139) 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, 393849 + ... + 399195.

It is an arithmetic number, because the mean of its divisors is an integer number (84231000).

Almost surely, 22120203134 is an apocalyptic number.

2120203134 is an abundant number, since it is smaller than the sum of its proper divisors (3270580866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120203134 is a wasteful number, since it uses less digits than its factorization.

2120203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414 (or 6408 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2120203134 is about 46045.6635743259. The cubic root of 2120203134 is about 1284.6726866485.

Adding to 2120203134 its reverse (4313020212), we get a palindrome (6433223346).

The spelling of 2120203134 in words is "two billion, one hundred twenty million, two hundred three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 1049 2098 3147 5347 6294 7343 9441 10694 14686 16041 18882 22029 28323 32082 37429 44058 48123 56646 66087 74858 96246 112287 132174 144369 198261 224574 288738 336861 396522 673722 1010583 2021166 5609003 11218006 16827009 33654018 39263021 50481027 78526042 100962054 117789063 151443081 235578126 302886162 353367189 706734378 1060101567 2120203134