Search a number
-
+
47632775240 = 2359771218853
BaseRepresentation
bin101100010111001000…
…100111100001001000
311112221121110200201202
4230113020213201020
51240022442301430
633514315403332
73304245623561
oct542710474110
9145847420652
1047632775240
1119223507056
129294153548
1346514bb30b
14243c1a3168
15138bb44d45
hexb17227848

47632775240 has 32 divisors (see below), whose sum is σ = 107283529080. Its totient is φ = 19033592832.

The previous prime is 47632775231. The next prime is 47632775243. The reversal of 47632775240 is 4257723674.

It can be written as a sum of positive squares in 4 ways, for example, as 35146500676 + 12486274564 = 187474^2 + 111742^2 .

It is not an unprimeable number, because it can be changed into a prime (47632775243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570347 + ... + 648506.

Almost surely, 247632775240 is an apocalyptic number.

47632775240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47632775240 is an abundant number, since it is smaller than the sum of its proper divisors (59650753840).

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

47632775240 is a wasteful number, since it uses less digits than its factorization.

47632775240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219841 (or 1219837 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 47632775240 in words is "forty-seven billion, six hundred thirty-two million, seven hundred seventy-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 977 1954 3908 4885 7816 9770 19540 39080 1218853 2437706 4875412 6094265 9750824 12188530 24377060 48754120 1190819381 2381638762 4763277524 5954096905 9526555048 11908193810 23816387620 47632775240