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1030132013 = 8935332789
BaseRepresentation
bin111101011001101…
…001000100101101
32122210101010110112
4331121221010231
54102203211023
6250115145405
734345656221
oct7531510455
92583333415
101030132013
11489534479
12248ba5265
1313555a291
149ab52781
1560684478
hex3d66912d

1030132013 has 8 divisors (see below), whose sum is σ = 1044689400. Its totient is φ = 1015641088.

The previous prime is 1030131989. The next prime is 1030132021. The reversal of 1030132013 is 3102310301.

It can be written as a sum of positive squares in 4 ways, for example, as 31382404 + 998749609 = 5602^2 + 31603^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1030132013 - 228 = 761696557 is a prime.

It is a super-2 number, since 2×10301320132 = 2122343928414864338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030132813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15023 + ... + 47811.

It is an arithmetic number, because the mean of its divisors is an integer number (130586175).

Almost surely, 21030132013 is an apocalyptic number.

It is an amenable number.

1030132013 is a deficient number, since it is larger than the sum of its proper divisors (14557387).

1030132013 is an equidigital number, since it uses as much as digits as its factorization.

1030132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33231.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030132013 is about 32095.6696923432. The cubic root of 1030132013 is about 1009.9447778846.

Adding to 1030132013 its reverse (3102310301), we get a palindrome (4132442314).

The spelling of 1030132013 in words is "one billion, thirty million, one hundred thirty-two thousand, thirteen".

Divisors: 1 89 353 31417 32789 2918221 11574517 1030132013