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47739273920 = 2651376914923
BaseRepresentation
bin101100011101011110…
…111000001011000000
311120020000212101110022
4230131132320023000
51240232223231140
633533042153012
73310011063422
oct543536701300
9146200771408
1047739273920
1119278637098
129303952768
13466a598aa0
14244c3a6812
1513961800b5
hexb1d7b82c0

47739273920 has 112 divisors (see below), whose sum is σ = 122591108640. Its totient is φ = 17602707456.

The previous prime is 47739273919. The next prime is 47739273931. The reversal of 47739273920 is 2937293774.

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 15 ways as a sum of consecutive naturals, for example, 3191579 + ... + 3206501.

It is an arithmetic number, because the mean of its divisors is an integer number (1094563470).

Almost surely, 247739273920 is an apocalyptic number.

47739273920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47739273920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61295554320).

47739273920 is an abundant number, since it is smaller than the sum of its proper divisors (74851834720).

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

47739273920 is a wasteful number, since it uses less digits than its factorization.

47739273920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722 (or 15712 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 47739273920 in words is "forty-seven billion, seven hundred thirty-nine million, two hundred seventy-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 769 832 1040 1538 2080 3076 3845 4160 6152 7690 9997 12304 14923 15380 19994 24608 29846 30760 39988 49216 49985 59692 61520 74615 79976 99970 119384 123040 149230 159952 193999 199940 238768 246080 298460 319904 387998 399880 477536 596920 639808 775996 799760 955072 969995 1193840 1551992 1599520 1939990 2387680 3103984 3199040 3879980 4775360 6207968 7759960 11475787 12415936 15519920 22951574 31039840 45903148 57378935 62079680 91806296 114757870 149185231 183612592 229515740 298370462 367225184 459031480 596740924 734450368 745926155 918062960 1193481848 1491852310 1836125920 2386963696 2983704620 3672251840 4773927392 5967409240 9547854784 11934818480 23869636960 47739273920