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2111102130 = 235101369467
BaseRepresentation
bin111110111010100…
…1101110010110010
312110010102002200210
41331311031302302
513310420232010
6545252124550
7103213033464
oct17565156262
95403362623
102111102130
11993731305
124ab006756
132784a7277
1416053a134
15c550bb20
hex7dd4dcb2

2111102130 has 32 divisors (see below), whose sum is σ = 5071719744. Its totient is φ = 562396736.

The previous prime is 2111102117. The next prime is 2111102131. The reversal of 2111102130 is 312011112.

It is not an unprimeable number, because it can be changed into a prime (2111102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4344 + ... + 65123.

It is an arithmetic number, because the mean of its divisors is an integer number (158491242).

Almost surely, 22111102130 is an apocalyptic number.

2111102130 is an abundant number, since it is smaller than the sum of its proper divisors (2960617614).

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

2111102130 is a wasteful number, since it uses less digits than its factorization.

2111102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70490.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2111102130 is about 45946.7314397880. The cubic root of 2111102130 is about 1282.8318912748.

Adding to 2111102130 its reverse (312011112), we get a palindrome (2423113242).

The spelling of 2111102130 in words is "two billion, one hundred eleven million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1013 2026 3039 5065 6078 10130 15195 30390 69467 138934 208401 347335 416802 694670 1042005 2084010 70370071 140740142 211110213 351850355 422220426 703700710 1055551065 2111102130