Search a number
-
+
10030027780 = 2254311662823
BaseRepresentation
bin10010101011101011…
…00001010000000100
3221220000021012111101
421111311201100010
5131020141342110
64335134145444
7503360554333
oct112565412004
927800235441
1010030027780
114287764363
121b3b052284
13c3aca1ca6
146b213bd1a
153da84013a
hex255d61404

10030027780 has 24 divisors (see below), whose sum is σ = 21552898752. Its totient is φ = 3918708192.

The previous prime is 10030027753. The next prime is 10030027817. The reversal of 10030027780 is 8772003001.

It is a happy number.

It is a super-3 number, since 3×100300277803 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5830552 + ... + 5832271.

It is an arithmetic number, because the mean of its divisors is an integer number (898037448).

Almost surely, 210030027780 is an apocalyptic number.

10030027780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030027780 is an abundant number, since it is smaller than the sum of its proper divisors (11522870972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10030027780 is a wasteful number, since it uses less digits than its factorization.

10030027780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662875 (or 11662873 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 10030027780 in words is "ten billion, thirty million, twenty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11662823 23325646 46651292 58314115 116628230 233256460 501501389 1003002778 2006005556 2507506945 5015013890 10030027780