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2121435514 = 211139693733
BaseRepresentation
bin111111001110010…
…1000100101111010
312110211212002102201
41332130220211322
513321041414024
6550301420414
7103366622122
oct17634504572
95424762381
102121435514
119995499a0
124b256a70a
1327a6847b3
14161a69c82
15c639d744
hex7e72897a

2121435514 has 16 divisors (see below), whose sum is σ = 3496419360. Its totient is φ = 957350160.

The previous prime is 2121435497. The next prime is 2121435527. The reversal of 2121435514 is 4155341212.

It is a super-3 number, since 3×21214355143 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343809 + ... + 349924.

It is an arithmetic number, because the mean of its divisors is an integer number (218526210).

Almost surely, 22121435514 is an apocalyptic number.

2121435514 is a deficient number, since it is larger than the sum of its proper divisors (1374983846).

2121435514 is a wasteful number, since it uses less digits than its factorization.

2121435514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693885.

The product of its digits is 4800, while the sum is 28.

The square root of 2121435514 is about 46059.0437807821. The cubic root of 2121435514 is about 1284.9215461799.

Adding to 2121435514 its reverse (4155341212), we get a palindrome (6276776726).

The spelling of 2121435514 in words is "two billion, one hundred twenty-one million, four hundred thirty-five thousand, five hundred fourteen".

Divisors: 1 2 11 22 139 278 1529 3058 693733 1387466 7631063 15262126 96428887 192857774 1060717757 2121435514