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2120403134 = 27988115233
BaseRepresentation
bin111111001100010…
…1100100010111110
312110202220122021102
41332120230202332
513320310400014
6550223333102
7103355062223
oct17630544276
95422818242
102120403134
11998a04293
124b2151192
1327a3b2915
1416187b94a
15c62478de
hex7e62c8be

2120403134 has 16 divisors (see below), whose sum is σ = 3224733120. Its totient is φ = 1045524480.

The previous prime is 2120403119. The next prime is 2120403139. The reversal of 2120403134 is 4313040212.

It is a super-2 number, since 2×21204031342 = 8992218901354043912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120403139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131582 + ... + 146814.

It is an arithmetic number, because the mean of its divisors is an integer number (201545820).

Almost surely, 22120403134 is an apocalyptic number.

2120403134 is a deficient number, since it is larger than the sum of its proper divisors (1104329986).

2120403134 is a wasteful number, since it uses less digits than its factorization.

2120403134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16195.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2120403134 is about 46047.8352802822. The cubic root of 2120403134 is about 1284.7130800200.

Adding to 2120403134 its reverse (4313040212), we get a palindrome (6433443346).

The spelling of 2120403134 in words is "two billion, one hundred twenty million, four hundred three thousand, one hundred thirty-four".

Divisors: 1 2 79 158 881 1762 15233 30466 69599 139198 1203407 2406814 13420273 26840546 1060201567 2120403134