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10309130903 = 191015372137
BaseRepresentation
bin10011001100111100…
…01101101010010111
3222121110110010000002
421212132031222113
5132103114142103
64422544241515
7513320111141
oct114636155227
928543403002
1010309130903
1144102656a5
121bb861029b
13c83a64376
146db231c91
154050c2488
hex26678da97

10309130903 has 8 divisors (see below), whose sum is σ = 10959161520. Its totient is φ = 9669844800.

The previous prime is 10309130899. The next prime is 10309130927. The reversal of 10309130903 is 30903190301.

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

It is not a de Polignac number, because 10309130903 - 22 = 10309130899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10309130963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684150 + ... + 2687987.

It is an arithmetic number, because the mean of its divisors is an integer number (1369895190).

Almost surely, 210309130903 is an apocalyptic number.

10309130903 is a deficient number, since it is larger than the sum of its proper divisors (650030617).

10309130903 is a wasteful number, since it uses less digits than its factorization.

10309130903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372257.

The product of its (nonzero) digits is 2187, while the sum is 29.

The spelling of 10309130903 in words is "ten billion, three hundred nine million, one hundred thirty thousand, nine hundred three".

Divisors: 1 19 101 1919 5372137 102070603 542585837 10309130903