Search a number
-
+
47232494640 = 2432565600687
BaseRepresentation
bin101011111111010001…
…101010110000110000
311111220201021022222100
4223333101222300300
51233213004312030
633410500140400
73261315403002
oct537721526060
9144821238870
1047232494640
111903856a341
1291a2097700
1345b95ac0a6
142400d68372
151366928360
hexaff46ac30

47232494640 has 60 divisors (see below), whose sum is σ = 158622463584. Its totient is φ = 12595331712.

The previous prime is 47232494591. The next prime is 47232494657. The reversal of 47232494640 is 4649423274.

47232494640 is a `hidden beast` number, since 4 + 72 + 32 + 494 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32799624 + ... + 32801063.

Almost surely, 247232494640 is an apocalyptic number.

47232494640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47232494640 is an abundant number, since it is smaller than the sum of its proper divisors (111389968944).

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

47232494640 is a wasteful number, since it uses less digits than its factorization.

47232494640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65600706 (or 65600697 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 47232494640 in words is "forty-seven billion, two hundred thirty-two million, four hundred ninety-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 65600687 131201374 196802061 262402748 328003435 393604122 524805496 590406183 656006870 787208244 984010305 1049610992 1180812366 1312013740 1574416488 1968020610 2361624732 2624027480 2952030915 3148832976 3936041220 4723249464 5248054960 5904061830 7872082440 9446498928 11808123660 15744164880 23616247320 47232494640