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2111020130 = 25491429943
BaseRepresentation
bin111110111010011…
…1001110001100010
312110010020221012202
41331310321301202
513310410121010
6545250253202
7103212242432
oct17564716142
95403227182
102111020130
1199368573a
124aab87202
13278478b4b
141605182c2
15c54e26a5
hex7dd39c62

2111020130 has 16 divisors (see below), whose sum is σ = 3807584064. Its totient is φ = 842686320.

The previous prime is 2111020129. The next prime is 2111020133. The reversal of 2111020130 is 310201112.

It is not an unprimeable number, because it can be changed into a prime (2111020133) 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, 210062 + ... + 219881.

It is an arithmetic number, because the mean of its divisors is an integer number (237974004).

Almost surely, 22111020130 is an apocalyptic number.

2111020130 is a deficient number, since it is larger than the sum of its proper divisors (1696563934).

2111020130 is a wasteful number, since it uses less digits than its factorization.

2111020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430441.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2111020130 is about 45945.8390934370. The cubic root of 2111020130 is about 1282.8152816920.

Adding to 2111020130 its reverse (310201112), we get a palindrome (2421221242).

The spelling of 2111020130 in words is "two billion, one hundred eleven million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 491 982 2455 4910 429943 859886 2149715 4299430 211102013 422204026 1055510065 2111020130