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2312002012 = 221399474391
BaseRepresentation
bin1000100111001110…
…0101100111011100
312222010102212112011
42021303211213130
514213333031022
61021230121004
7111202456435
oct21163454734
95863385464
102312002012
11a87079371
12546350164
132aacb8038
1417d0b448c
15d7e92977
hex89ce59dc

2312002012 has 24 divisors (see below), whose sum is σ = 4080343680. Its totient is φ = 1146211440.

The previous prime is 2312001997. The next prime is 2312002019. The reversal of 2312002012 is 2102002132.

It is a junction number, because it is equal to n+sod(n) for n = 2312001983 and 2312002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312002019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 524337 + ... + 528727.

It is an arithmetic number, because the mean of its divisors is an integer number (170014320).

Almost surely, 22312002012 is an apocalyptic number.

It is an amenable number.

2312002012 is a deficient number, since it is larger than the sum of its proper divisors (1768341668).

2312002012 is a wasteful number, since it uses less digits than its factorization.

2312002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2312002012 is about 48083.2820427225. The cubic root of 2312002012 is about 1322.2981872646.

Adding to 2312002012 its reverse (2102002132), we get a palindrome (4414004144).

The spelling of 2312002012 in words is "two billion, three hundred twelve million, two thousand, twelve".

Divisors: 1 2 4 139 278 556 947 1894 3788 4391 8782 17564 131633 263266 526532 610349 1220698 2441396 4158277 8316554 16633108 578000503 1156001006 2312002012