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2987000038 = 211883153763
BaseRepresentation
bin1011001000001010…
…0000000011100110
321201011120022202001
42302002200003212
522104133000123
61212221435514
7134010036631
oct26202400346
97634508661
102987000038
1112a30a1380
126b440bb9a
13387ab2359
142049c0c18
151273770ad
hexb20a00e6

2987000038 has 16 divisors (see below), whose sum is σ = 4893385536. Its totient is φ = 1356180840.

The previous prime is 2987000017. The next prime is 2987000053. The reversal of 2987000038 is 8300007892.

It is a junction number, because it is equal to n+sod(n) for n = 2986999970 and 2987000006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57456 + ... + 96307.

It is an arithmetic number, because the mean of its divisors is an integer number (305836596).

Almost surely, 22987000038 is an apocalyptic number.

2987000038 is the 29214-th centered heptagonal number.

2987000038 is a deficient number, since it is larger than the sum of its proper divisors (1906385498).

2987000038 is a wasteful number, since it uses less digits than its factorization.

2987000038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154659.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2987000038 is about 54653.4540354038. The cubic root of 2987000038 is about 1440.1633106320.

The spelling of 2987000038 in words is "two billion, nine hundred eighty-seven million, thirty-eight", and thus it is an aban number.

Divisors: 1 2 11 22 883 1766 9713 19426 153763 307526 1691393 3382786 135772729 271545458 1493500019 2987000038