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2190058918 = 21497349191
BaseRepresentation
bin1000001010001001…
…1010010110100110
312122121222112001021
42002202122112212
513441123341133
61001152321354
7105162123265
oct20242322646
95577875037
102190058918
11a2425a753
1251154325a
1328b960868
1416ac105dc
15cc40652d
hex8289a5a6

2190058918 has 8 divisors (see below), whose sum is σ = 3307136400. Its totient is φ = 1087680120.

The previous prime is 2190058909. The next prime is 2190058931. The reversal of 2190058918 is 8198500912.

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

It is a super-2 number, since 2×21900589182 = 9592716128622661448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674298 + ... + 3674893.

It is an arithmetic number, because the mean of its divisors is an integer number (413392050).

Almost surely, 22190058918 is an apocalyptic number.

2190058918 is a deficient number, since it is larger than the sum of its proper divisors (1117077482).

2190058918 is a wasteful number, since it uses less digits than its factorization.

2190058918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349342.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 2190058918 is about 46798.0653232588. The cubic root of 2190058918 is about 1298.6295059929.

The spelling of 2190058918 in words is "two billion, one hundred ninety million, fifty-eight thousand, nine hundred eighteen".

Divisors: 1 2 149 298 7349191 14698382 1095029459 2190058918