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2148214859 = 7379380909
BaseRepresentation
bin1000000000001011…
…0010100001001011
312112201020121210022
42000002302201023
513344420333414
6553055411055
7104143345040
oct20002624113
95481217708
102148214859
11a0267a68a
124bb523a8b
1328309c86b
1416543b1c7
15c88dd18e
hex800b284b

2148214859 has 8 divisors (see below), whose sum is σ = 2455780320. Its totient is φ = 1840818816.

The previous prime is 2148214823. The next prime is 2148214919. The reversal of 2148214859 is 9584128412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2148214859 is a prime.

It is a super-2 number, since 2×21482148592 = 9229654160856779762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148204859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13904 + ... + 67005.

It is an arithmetic number, because the mean of its divisors is an integer number (306972540).

Almost surely, 22148214859 is an apocalyptic number.

2148214859 is a deficient number, since it is larger than the sum of its proper divisors (307565461).

2148214859 is an equidigital number, since it uses as much as digits as its factorization.

2148214859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84709.

The product of its digits is 184320, while the sum is 44.

The square root of 2148214859 is about 46348.8388096185. The cubic root of 2148214859 is about 1290.3055701015.

The spelling of 2148214859 in words is "two billion, one hundred forty-eight million, two hundred fourteen thousand, eight hundred fifty-nine".

Divisors: 1 7 3793 26551 80909 566363 306887837 2148214859