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2930009087 = 28322674567
BaseRepresentation
bin1010111010100100…
…0110001111111111
321120012022212212002
42232221012033333
522000040242322
61202424132515
7132415444355
oct25651061777
97505285762
102930009087
111273a06215
1269930713b
13379049bb5
141db1c77d5
1512236ac92
hexaea463ff

2930009087 has 8 divisors (see below), whose sum is σ = 2942303616. Its totient is φ = 2917728792.

The previous prime is 2930008987. The next prime is 2930009101. The reversal of 2930009087 is 7809000392.

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

It is a cyclic number.

It is not a de Polignac number, because 2930009087 - 216 = 2929943551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2930009087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930002087) 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, 639278 + ... + 643844.

It is an arithmetic number, because the mean of its divisors is an integer number (367787952).

Almost surely, 22930009087 is an apocalyptic number.

2930009087 is a deficient number, since it is larger than the sum of its proper divisors (12294529).

2930009087 is a wasteful number, since it uses less digits than its factorization.

2930009087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2930009087 is about 54129.5583484661. The cubic root of 2930009087 is about 1430.9451568628.

The spelling of 2930009087 in words is "two billion, nine hundred thirty million, nine thousand, eighty-seven".

Divisors: 1 283 2267 4567 641561 1292461 10353389 2930009087