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47528509272 = 23319104229187
BaseRepresentation
bin101100010000111010…
…110111111101011000
311112200100021102201020
4230100322313331120
51234314244244042
633500112522440
73301541443266
oct542072677530
9145610242636
1047528509272
111917a671532
129265250420
134635a12b8a
14242c3c1436
1513828eb3ec
hexb10eb7f58

47528509272 has 32 divisors (see below), whose sum is σ = 125075025600. Its totient is φ = 15009002784.

The previous prime is 47528509243. The next prime is 47528509279. The reversal of 47528509272 is 27290582574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47528509279) 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, 52114138 + ... + 52115049.

It is an arithmetic number, because the mean of its divisors is an integer number (3908594550).

Almost surely, 247528509272 is an apocalyptic number.

It is an amenable number.

47528509272 is an abundant number, since it is smaller than the sum of its proper divisors (77546516328).

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

47528509272 is a wasteful number, since it uses less digits than its factorization.

47528509272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104229215 (or 104229211 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 47528509272 in words is "forty-seven billion, five hundred twenty-eight million, five hundred nine thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 104229187 208458374 312687561 416916748 625375122 833833496 1250750244 1980354553 2501500488 3960709106 5941063659 7921418212 11882127318 15842836424 23764254636 47528509272