Search a number
-
+
13102130020 = 225793586643
BaseRepresentation
bin11000011001111001…
…01010001101100100
31020211002222011111211
430030330222031210
5203313121130040
610004040041204
7642453160540
oct141474521544
936732864454
1013102130020
1156138a1231
122657a63204
13130a5acb75
148c4152a20
1551a3c78ea
hex30cf2a364

13102130020 has 24 divisors (see below), whose sum is σ = 31445112384. Its totient is φ = 4492158816.

The previous prime is 13102130017. The next prime is 13102130071. The reversal of 13102130020 is 2003120131.

It is a super-2 number, since 2×131021300202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46793182 + ... + 46793461.

It is an arithmetic number, because the mean of its divisors is an integer number (1310213016).

Almost surely, 213102130020 is an apocalyptic number.

13102130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102130020 is an abundant number, since it is smaller than the sum of its proper divisors (18342982364).

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

13102130020 is a wasteful number, since it uses less digits than its factorization.

13102130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93586659 (or 93586657 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13102130020 its reverse (2003120131), we get a palindrome (15105250151).

The spelling of 13102130020 in words is "thirteen billion, one hundred two million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 93586643 187173286 374346572 467933215 655106501 935866430 1310213002 1871732860 2620426004 3275532505 6551065010 13102130020