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30488100087 = 3233943112061
BaseRepresentation
bin11100011001001110…
…110111110011110111
32220200202201221211010
4130121032313303313
5444414423200322
622001145443303
72126344401114
oct343116676367
986622657733
1030488100087
1111a25812935
125aaa4a0533
132b4b541913
1416931c390b
15bd68e120c
hex7193b7cf7

30488100087 has 16 divisors (see below), whose sum is σ = 42429362688. Its totient is φ = 19436582880.

The previous prime is 30488100073. The next prime is 30488100121. The reversal of 30488100087 is 78000188403.

It is not a de Polignac number, because 30488100087 - 222 = 30483905783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30488100887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216037 + ... + 328097.

It is an arithmetic number, because the mean of its divisors is an integer number (2651835168).

Almost surely, 230488100087 is an apocalyptic number.

30488100087 is a deficient number, since it is larger than the sum of its proper divisors (11941262601).

30488100087 is a wasteful number, since it uses less digits than its factorization.

30488100087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116030.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 30488100087 in words is "thirty billion, four hundred eighty-eight million, one hundred thousand, eighty-seven".

Divisors: 1 3 23 69 3943 11829 90689 112061 272067 336183 2577403 7732209 441856523 1325569569 10162700029 30488100087