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10030178780 = 225501508939
BaseRepresentation
bin10010101011101100…
…00110000111011100
3221220000112212121222
421111312012013130
5131020211210110
64335141312512
7503362053506
oct112566060734
927800485558
1010030178780
114287857856
121b3b105738
13c3b02593b
146b217ad76
153da86ec55
hex255d861dc

10030178780 has 12 divisors (see below), whose sum is σ = 21063375480. Its totient is φ = 4012071504.

The previous prime is 10030178779. The next prime is 10030178783. The reversal of 10030178780 is 8787103001.

10030178780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10030178780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030178783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250754450 + ... + 250754489.

It is an arithmetic number, because the mean of its divisors is an integer number (1755281290).

Almost surely, 210030178780 is an apocalyptic number.

10030178780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030178780 is an abundant number, since it is smaller than the sum of its proper divisors (11033196700).

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

10030178780 is a wasteful number, since it uses less digits than its factorization.

10030178780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501508948 (or 501508946 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 10030178780 in words is "ten billion, thirty million, one hundred seventy-eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 501508939 1003017878 2006035756 2507544695 5015089390 10030178780