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2212000451 = 2269974879
BaseRepresentation
bin1000001111011000…
…0111001011000011
312201011021021011122
42003312013023003
514012233003301
61003254502455
7105546456623
oct20366071303
95634237148
102212000451
11a35686751
12518964a2b
1329337390b
1416dac2883
15ce2dc81b
hex83d872c3

2212000451 has 4 divisors (see below), whose sum is σ = 2212977600. Its totient is φ = 2211023304.

The previous prime is 2212000429. The next prime is 2212000477. The reversal of 2212000451 is 1540002122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212000451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212000481) 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, 485171 + ... + 489708.

It is an arithmetic number, because the mean of its divisors is an integer number (553244400).

Almost surely, 22212000451 is an apocalyptic number.

2212000451 is a deficient number, since it is larger than the sum of its proper divisors (977149).

2212000451 is an equidigital number, since it uses as much as digits as its factorization.

2212000451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977148.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2212000451 is about 47031.9088598369. The cubic root of 2212000451 is about 1302.9519606306.

Adding to 2212000451 its reverse (1540002122), we get a palindrome (3752002573).

The spelling of 2212000451 in words is "two billion, two hundred twelve million, four hundred fifty-one", and thus it is an aban number.

Divisors: 1 2269 974879 2212000451