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2212987378 = 27158070527
BaseRepresentation
bin1000001111100111…
…1000000111110010
312201020010101222111
42003321320013302
514013011044003
61003331555534
7105561040150
oct20371700762
95636111874
102212987378
11a361a0198
1251915bbaa
1329362abb4
1416dc9c3d0
15ce434e6d
hex83e781f2

2212987378 has 8 divisors (see below), whose sum is σ = 3793692672. Its totient is φ = 948423156.

The previous prime is 2212987373. The next prime is 2212987379. The reversal of 2212987378 is 8737892122.

It is a happy number.

2212987378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2212987373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79035250 + ... + 79035277.

It is an arithmetic number, because the mean of its divisors is an integer number (474211584).

Almost surely, 22212987378 is an apocalyptic number.

2212987378 is a deficient number, since it is larger than the sum of its proper divisors (1580705294).

2212987378 is a wasteful number, since it uses less digits than its factorization.

2212987378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158070536.

The product of its digits is 677376, while the sum is 49.

The square root of 2212987378 is about 47042.3997899767. The cubic root of 2212987378 is about 1303.1457109334.

The spelling of 2212987378 in words is "two billion, two hundred twelve million, nine hundred eighty-seven thousand, three hundred seventy-eight".

Divisors: 1 2 7 14 158070527 316141054 1106493689 2212987378