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3000019087 = 131713574747
BaseRepresentation
bin1011001011010000…
…1010100010001111
321202002001202112001
42302310022202033
522121001102322
61213404453131
7134225512222
oct26264124217
97662052461
103000019087
1112aa48381a
126b884a1a7
1338a6c0130
1420660d5b9
15128599827
hexb2d0a88f

3000019087 has 8 divisors (see below), whose sum is σ = 3420836496. Its totient is φ = 2606351232.

The previous prime is 3000019073. The next prime is 3000019091. The reversal of 3000019087 is 7809100003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3000019087 is a prime.

It is a super-2 number, since 2×30000190872 = 18000229044728627138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000019987) 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, 6787153 + ... + 6787594.

It is an arithmetic number, because the mean of its divisors is an integer number (427604562).

Almost surely, 23000019087 is an apocalyptic number.

3000019087 is a deficient number, since it is larger than the sum of its proper divisors (420817409).

3000019087 is a wasteful number, since it uses less digits than its factorization.

3000019087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574777.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3000019087 is about 54772.4299899137. The cubic root of 3000019087 is about 1442.2526289918.

The spelling of 3000019087 in words is "three billion, nineteen thousand, eighty-seven".

Divisors: 1 13 17 221 13574747 176471711 230770699 3000019087