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2111010320 = 24526387629
BaseRepresentation
bin111110111010011…
…0111011000010000
312110010020102202102
41331310313120100
513310404312240
6545250135532
7103212202016
oct17564673020
95403212672
102111010320
11993679331
124aab815a8
13278474543
141605148b6
15c54de815
hex7dd37610

2111010320 has 20 divisors (see below), whose sum is σ = 4908099180. Its totient is φ = 844404096.

The previous prime is 2111010289. The next prime is 2111010359. The reversal of 2111010320 is 230101112.

It can be written as a sum of positive squares in 2 ways, for example, as 1163355664 + 947654656 = 34108^2 + 30784^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×21110103202 = 8912729142293004800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193735 + ... + 13193894.

It is an arithmetic number, because the mean of its divisors is an integer number (245404959).

Almost surely, 22111010320 is an apocalyptic number.

2111010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010320 is an abundant number, since it is smaller than the sum of its proper divisors (2797088860).

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

2111010320 is a wasteful number, since it uses less digits than its factorization.

2111010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387642 (or 26387636 counting only the distinct ones).

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

The square root of 2111010320 is about 45945.7323371823. The cubic root of 2111010320 is about 1282.8132945899.

Adding to 2111010320 its reverse (230101112), we get a palindrome (2341111432).

The spelling of 2111010320 in words is "two billion, one hundred eleven million, ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26387629 52775258 105550516 131938145 211101032 263876290 422202064 527752580 1055505160 2111010320