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13013212030 = 2571314300233
BaseRepresentation
bin11000001111010010…
…11101101101111110
31020120220122122221221
430013221131231332
5203122340241110
65551142143554
7640323322450
oct140751355576
936526578857
1013013212030
115578689895
122632121bba
1312c5049580
148b64082d0
155126b17da
hex307a5db7e

13013212030 has 32 divisors (see below), whose sum is σ = 28829271744. Its totient is φ = 4118466816.

The previous prime is 13013212007. The next prime is 13013212031. The reversal of 13013212030 is 3021231031.

It is a junction number, because it is equal to n+sod(n) for n = 13013211995 and 13013212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013212031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149207 + ... + 7151026.

It is an arithmetic number, because the mean of its divisors is an integer number (900914742).

Almost surely, 213013212030 is an apocalyptic number.

13013212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013212030 is an abundant number, since it is smaller than the sum of its proper divisors (15816059714).

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

13013212030 is a wasteful number, since it uses less digits than its factorization.

13013212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14300260.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13013212030 its reverse (3021231031), we get a palindrome (16034443061).

The spelling of 13013212030 in words is "thirteen billion, thirteen million, two hundred twelve thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 14300233 28600466 71501165 100101631 143002330 185903029 200203262 371806058 500508155 929515145 1001016310 1301321203 1859030290 2602642406 6506606015 13013212030