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2312212011 = 319231763701
BaseRepresentation
bin1000100111010001…
…1000111000101011
312222010211112120220
42021310120320223
514213411241021
61021234421123
7111204322614
oct21164307053
95863745526
102312212011
11a8720211a
125464317a3
132ab05c7b5
1417d12ac0b
15d7ed4cc6
hex89d18e2b

2312212011 has 16 divisors (see below), whose sum is σ = 3386307840. Its totient is φ = 1396850400.

The previous prime is 2312212003. The next prime is 2312212013. The reversal of 2312212011 is 1102122132.

It is not a de Polignac number, because 2312212011 - 23 = 2312212003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880540 + ... + 883161.

It is an arithmetic number, because the mean of its divisors is an integer number (211644240).

Almost surely, 22312212011 is an apocalyptic number.

2312212011 is a deficient number, since it is larger than the sum of its proper divisors (1074095829).

2312212011 is a wasteful number, since it uses less digits than its factorization.

2312212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763746.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2312212011 is about 48085.4656939080. The cubic root of 2312212011 is about 1322.3382208068.

Adding to 2312212011 its reverse (1102122132), we get a palindrome (3414334143).

The spelling of 2312212011 in words is "two billion, three hundred twelve million, two hundred twelve thousand, eleven".

Divisors: 1 3 19 23 57 69 437 1311 1763701 5291103 33510319 40565123 100530957 121695369 770737337 2312212011