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1003133887 = 7119712
BaseRepresentation
bin111011110010101…
…001101110111111
32120220120110222221
4323302221232333
54023300241022
6243312350211
733600332410
oct7362515677
92526513887
101003133887
11475274378
1223bb45367
1312ca96762
1497325807
155d0eecc7
hex3bca9bbf

1003133887 has 6 divisors (see below), whose sum is σ = 1146534504. Its totient is φ = 859757220.

The previous prime is 1003133869. The next prime is 1003133893. The reversal of 1003133887 is 7883313001.

It is not a de Polignac number, because 1003133887 - 219 = 1002609599 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 (1003133827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77812 + ... + 89782.

It is an arithmetic number, because the mean of its divisors is an integer number (191089084).

Almost surely, 21003133887 is an apocalyptic number.

1003133887 is a deficient number, since it is larger than the sum of its proper divisors (143400617).

1003133887 is an frugal number, since it uses more digits than its factorization.

1003133887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23949 (or 11978 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1003133887 is about 31672.2889447542. The cubic root of 1003133887 is about 1001.0435396462.

Adding to 1003133887 its reverse (7883313001), we get a palindrome (8886446888).

The spelling of 1003133887 in words is "one billion, three million, one hundred thirty-three thousand, eight hundred eighty-seven".

Divisors: 1 7 11971 83797 143304841 1003133887