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2131180316 = 221737847051
BaseRepresentation
bin111111100000111…
…0011101100011100
312111112012011210022
41333001303230130
513331040232231
6551250331312
7103545506456
oct17701635434
95445164708
102131180316
119a3aa5351
124b5889b38
1327c6b7155
141630852d6
15c7175c7b
hex7f073b1c

2131180316 has 24 divisors (see below), whose sum is σ = 4055684976. Its totient is φ = 975801600.

The previous prime is 2131180301. The next prime is 2131180321. The reversal of 2131180316 is 6130811312.

It is a congruent number.

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, 421010 + ... + 426041.

It is an arithmetic number, because the mean of its divisors is an integer number (168986874).

Almost surely, 22131180316 is an apocalyptic number.

It is an amenable number.

2131180316 is a deficient number, since it is larger than the sum of its proper divisors (1924504660).

2131180316 is a wasteful number, since it uses less digits than its factorization.

2131180316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847109 (or 847107 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2131180316 is about 46164.7085553456. The cubic root of 2131180316 is about 1286.8859680010.

Adding to 2131180316 its reverse (6130811312), we get a palindrome (8261991628).

The spelling of 2131180316 in words is "two billion, one hundred thirty-one million, one hundred eighty thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 37 68 74 148 629 1258 2516 847051 1694102 3388204 14399867 28799734 31340887 57599468 62681774 125363548 532795079 1065590158 2131180316