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2111311130 = 25875324121
BaseRepresentation
bin111110111011000…
…0000110100011010
312110010210201101112
41331312000310122
513310443424010
6545300420322
7103214564015
oct17566006432
95403721345
102111311130
11993864335
124ab0a76a2
1327854b436
1416059237c
15c554da05
hex7dd80d1a

2111311130 has 16 divisors (see below), whose sum is σ = 3800951784. Its totient is φ = 844392960.

The previous prime is 2111311129. The next prime is 2111311177. The reversal of 2111311130 is 311131112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1842383929 + 268927201 = 42923^2 + 16399^2 .

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, 75470 + ... + 99590.

Almost surely, 22111311130 is an apocalyptic number.

2111311130 is a deficient number, since it is larger than the sum of its proper divisors (1689640654).

2111311130 is a wasteful number, since it uses less digits than its factorization.

2111311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32881.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2111311130 is about 45949.0057563817. The cubic root of 2111311130 is about 1282.8742235104.

Adding to 2111311130 its reverse (311131112), we get a palindrome (2422442242).

The spelling of 2111311130 in words is "two billion, one hundred eleven million, three hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 8753 17506 24121 43765 48242 87530 120605 241210 211131113 422262226 1055655565 2111311130