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47300085990 = 23251927660869
BaseRepresentation
bin101100000011010011…
…100000100011100110
311112002102110022212200
4230003103200203212
51233332310222430
633421312555330
73263066045223
oct540323404346
9145072408780
1047300085990
1119072735763
129200852b46
1345ca5b6481
142409d2094a
15136c82a460
hexb034e08e6

47300085990 has 48 divisors (see below), whose sum is σ = 129452871600. Its totient is φ = 11949494976.

The previous prime is 47300085961. The next prime is 47300085991. The reversal of 47300085990 is 9958000374.

It is a super-2 number, since 2×473000859902 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47300085991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13828725 + ... + 13832144.

It is an arithmetic number, because the mean of its divisors is an integer number (2696934825).

Almost surely, 247300085990 is an apocalyptic number.

47300085990 is an abundant number, since it is smaller than the sum of its proper divisors (82152785610).

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

47300085990 is a wasteful number, since it uses less digits than its factorization.

47300085990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27660901 (or 27660898 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 47300085990 in words is "forty-seven billion, three hundred million, eighty-five thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 27660869 55321738 82982607 138304345 165965214 248947821 276608690 414913035 497895642 525556511 829826070 1051113022 1244739105 1576669533 2489478210 2627782555 3153339066 4730008599 5255565110 7883347665 9460017198 15766695330 23650042995 47300085990