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8042791950 = 23252113277571
BaseRepresentation
bin1110111110110001…
…10100010000001110
3202202111221011102100
413133120310100032
5112432423320300
63410024535530
7403210414014
oct73730642016
922674834370
108042791950
113457a456a6
1216856215a6
139b23766bb
145642468b4
1532114e700
hex1df63440e

8042791950 has 144 divisors (see below), whose sum is σ = 21916539216. Its totient is φ = 2114380800.

The previous prime is 8042791949. The next prime is 8042791963. The reversal of 8042791950 is 591972408.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 8042791896 and 8042791905.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 14085165 + ... + 14085735.

It is an arithmetic number, because the mean of its divisors is an integer number (152198189).

Almost surely, 28042791950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8042791950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10958269608).

8042791950 is an abundant number, since it is smaller than the sum of its proper divisors (13873747266).

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

8042791950 is a wasteful number, since it uses less digits than its factorization.

8042791950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 8042791950 is about 89681.6143364960. The cubic root of 8042791950 is about 2003.5596564974.

The spelling of 8042791950 in words is "eight billion, forty-two million, seven hundred ninety-one thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 113 150 225 226 277 339 450 554 565 571 678 831 1017 1130 1142 1385 1662 1695 1713 2034 2493 2770 2825 2855 3390 3426 4155 4986 5085 5139 5650 5710 6925 8310 8475 8565 10170 10278 12465 13850 14275 16950 17130 20775 24930 25425 25695 28550 31301 41550 42825 50850 51390 62325 62602 64523 85650 93903 124650 128475 129046 156505 158167 187806 193569 256950 281709 313010 316334 322615 387138 469515 474501 563418 580707 645230 782525 790835 939030 949002 967845 1161414 1408545 1423503 1565050 1581670 1613075 1935690 2347575 2372505 2817090 2847006 2903535 3226150 3954175 4695150 4745010 4839225 5807070 7042725 7117515 7908350 9678450 11862525 14085450 14235030 14517675 17872871 23725050 29035350 35587575 35745742 53618613 71175150 89364355 107237226 160855839 178728710 268093065 321711678 446821775 536186130 804279195 893643550 1340465325 1608558390 2680930650 4021395975 8042791950