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2111233130 = 25799727551
BaseRepresentation
bin111110111010110…
…1101110001101010
312110010122202101122
41331311231301222
513310433430010
6545255015242
7103214120426
oct17565556152
95403582348
102111233130
11993810776
124ab06a522
13278521a96
14160571b86
15c5535855
hex7dd6dc6a

2111233130 has 32 divisors (see below), whose sum is σ = 3888138240. Its totient is φ = 825177600.

The previous prime is 2111233123. The next prime is 2111233133. The reversal of 2111233130 is 313321112.

It is a junction number, because it is equal to n+sod(n) for n = 2111233099 and 2111233108.

It is not an unprimeable number, because it can be changed into a prime (2111233133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62855 + ... + 90405.

It is an arithmetic number, because the mean of its divisors is an integer number (121504320).

Almost surely, 22111233130 is an apocalyptic number.

2111233130 is a deficient number, since it is larger than the sum of its proper divisors (1776905110).

2111233130 is a wasteful number, since it uses less digits than its factorization.

2111233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27734.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2111233130 is about 45948.1569815374. The cubic root of 2111233130 is about 1282.8584252038.

Adding to 2111233130 its reverse (313321112), we get a palindrome (2424554242).

The spelling of 2111233130 in words is "two billion, one hundred eleven million, two hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 79 97 158 194 395 485 790 970 7663 15326 27551 38315 55102 76630 137755 275510 2176529 2672447 4353058 5344894 10882645 13362235 21765290 26724470 211123313 422246626 1055616565 2111233130