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44485215090 = 23519163521919
BaseRepresentation
bin101001011011100001…
…101000001101110010
311020211020210001220220
4221123201220031302
51212101203340330
632234120313510
73133246042431
oct513341501562
9136736701826
1044485215090
1117958820578
128756012896
13426c3805a4
142220149118
151255654710
hexa5b868372

44485215090 has 128 divisors (see below), whose sum is σ = 113413478400. Its totient is φ = 11135854080.

The previous prime is 44485215079. The next prime is 44485215139. The reversal of 44485215090 is 9051258444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48405651 + ... + 48406569.

It is an arithmetic number, because the mean of its divisors is an integer number (886042800).

Almost surely, 244485215090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44485215090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56706739200).

44485215090 is an abundant number, since it is smaller than the sum of its proper divisors (68928263310).

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

44485215090 is a wasteful number, since it uses less digits than its factorization.

44485215090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 44485215090 in words is "forty-four billion, four hundred eighty-five million, two hundred fifteen thousand, ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 163 190 285 326 489 521 570 815 919 978 1042 1563 1630 1838 2445 2605 2757 3097 3126 4595 4890 5210 5514 6194 7815 9190 9291 9899 13785 15485 15630 17461 18582 19798 27570 29697 30970 34922 46455 49495 52383 59394 84923 87305 92910 98990 104766 148485 149797 169846 174610 254769 261915 296970 299594 424615 449391 478799 509538 523830 748985 849230 898782 957598 1273845 1436397 1497970 1613537 2246955 2393995 2547690 2846143 2872794 3227074 4493910 4787990 4840611 5692286 7181985 8067685 8538429 9097181 9681222 14230715 14363970 16135370 17076858 18194362 24203055 27291543 28461430 42692145 45485905 48406110 54583086 78044237 85384290 90971810 136457715 156088474 234132711 272915430 390221185 468265422 780442370 1170663555 1482840503 2341327110 2965681006 4448521509 7414202515 8897043018 14828405030 22242607545 44485215090