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30287588986 = 2103147027131
BaseRepresentation
bin11100001101010001…
…111110111001111010
32220011210102221022001
4130031101332321322
5444012110321421
621525224051214
72121361154464
oct341521767172
986153387261
1030287588986
1111932610986
125a53303b0a
132b18b38ab5
14167470b134
15bc3ed5691
hex70d47ee7a

30287588986 has 8 divisors (see below), whose sum is σ = 45872465184. Its totient is φ = 14996767260.

The previous prime is 30287588983. The next prime is 30287588987. The reversal of 30287588986 is 68988578203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30287588983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73513360 + ... + 73513771.

It is an arithmetic number, because the mean of its divisors is an integer number (5734058148).

Almost surely, 230287588986 is an apocalyptic number.

30287588986 is a deficient number, since it is larger than the sum of its proper divisors (15584876198).

30287588986 is a wasteful number, since it uses less digits than its factorization.

30287588986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147027236.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 30287588986 in words is "thirty billion, two hundred eighty-seven million, five hundred eighty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 103 206 147027131 294054262 15143794493 30287588986