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47282883920 = 2453185722247
BaseRepresentation
bin101100000010010001…
…111000110101010000
311112001020002101001222
4230002101320311100
51233313404241140
633415500144212
73262466611346
oct540221706520
9145036071058
1047282883920
1119063a56578
1291b6b38068
1345c6b7272c
142407923996
15136b07d5b5
hexb02478d50

47282883920 has 80 divisors (see below), whose sum is σ = 113616442368. Its totient is φ = 18280872960.

The previous prime is 47282883871. The next prime is 47282883953. The reversal of 47282883920 is 2938828274.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×472828839202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114237 + ... + 2136483.

Almost surely, 247282883920 is an apocalyptic number.

47282883920 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 47282883920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56808221184).

47282883920 is an abundant number, since it is smaller than the sum of its proper divisors (66333558448).

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

47282883920 is a wasteful number, since it uses less digits than its factorization.

47282883920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23148 (or 23142 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 47282883920 in words is "forty-seven billion, two hundred eighty-two million, eight hundred eighty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 857 1240 1714 2480 3428 4285 6856 8570 13712 17140 22247 26567 34280 44494 53134 68560 88988 106268 111235 132835 177976 212536 222470 265670 355952 425072 444940 531340 689657 889880 1062680 1379314 1779760 2125360 2758628 3448285 5517256 6896570 11034512 13793140 19065679 27586280 38131358 55172560 76262716 95328395 152525432 190656790 305050864 381313580 591036049 762627160 1182072098 1525254320 2364144196 2955180245 4728288392 5910360490 9456576784 11820720980 23641441960 47282883920