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2146848990 = 2351113500431
BaseRepresentation
bin111111111110110…
…0101000011011110
312112121200020011120
41333331211003132
513344043131430
6553010231410
7104125625646
oct17775450336
95477606146
102146848990
11a01927470
124bab85566
13282a11c60
141651a3526
15c871d610
hex7ff650de

2146848990 has 64 divisors (see below), whose sum is σ = 6053225472. Its totient is φ = 480412800.

The previous prime is 2146848973. The next prime is 2146848997. The reversal of 2146848990 is 998486412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146848997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245926 + ... + 254505.

It is an arithmetic number, because the mean of its divisors is an integer number (94581648).

Almost surely, 22146848990 is an apocalyptic number.

2146848990 is an abundant number, since it is smaller than the sum of its proper divisors (3906376482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146848990 is a wasteful number, since it uses less digits than its factorization.

2146848990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500465.

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 2146848990 is about 46334.1018041787. The cubic root of 2146848990 is about 1290.0320465568.

The spelling of 2146848990 in words is "two billion, one hundred forty-six million, eight hundred forty-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 715 858 1430 2145 4290 500431 1000862 1501293 2502155 3002586 5004310 5504741 6505603 7506465 11009482 13011206 15012930 16514223 19516809 27523705 32528015 33028446 39033618 55047410 65056030 71561633 82571115 97584045 143123266 165142230 195168090 214684899 357808165 429369798 715616330 1073424495 2146848990