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4220991899 = 311011348129
BaseRepresentation
bin1111101110010111…
…0011100110011011
3101220011112121100022
43323211303212123
532121033220044
61534502301055
7206412560555
oct37345634633
911804477308
104220991899
111876704763
1299972778b
13523648757
142c083c4d5
1519a8793ee
hexfb97399b

4220991899 has 8 divisors (see below), whose sum is σ = 4400296320. Its totient is φ = 4044384000.

The previous prime is 4220991833. The next prime is 4220991941. The reversal of 4220991899 is 9981990224.

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

It is not a de Polignac number, because 4220991899 - 216 = 4220926363 is a prime.

It is a super-2 number, since 2×42209918992 = 35633545222847252402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4220991899.

It is not an unprimeable number, because it can be changed into a prime (4220993899) 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, 670934 + ... + 677195.

It is an arithmetic number, because the mean of its divisors is an integer number (550037040).

Almost surely, 24220991899 is an apocalyptic number.

4220991899 is a deficient number, since it is larger than the sum of its proper divisors (179304421).

4220991899 is a wasteful number, since it uses less digits than its factorization.

4220991899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348261.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 4220991899 is about 64969.1611381892. The cubic root of 4220991899 is about 1616.1121905402.

The spelling of 4220991899 in words is "four billion, two hundred twenty million, nine hundred ninety-one thousand, eight hundred ninety-nine".

Divisors: 1 31 101 3131 1348129 41791999 136161029 4220991899