Search a number
-
+
13031110200000 = 26355167130051
BaseRepresentation
bin1011110110100000101010…
…1100011100101011000000
31201010202120110211102202010
42331220022230130223000
53202000203202400000
643414224232052520
72513316026055054
oct275501254345300
951122513742663
1013031110200000
11417450aa95492
121565624534140
13736aa0062a99
143309cdaa5c64
15178e809add50
hexbda0ab1cac0

13031110200000 has 336 divisors, whose sum is σ = 43353310710528. Its totient is φ = 3454128000000.

The previous prime is 13031110199981. The next prime is 13031110200007. The reversal of 13031110200000 is 201113031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (13031110200007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100134975 + ... + 100265025.

It is an arithmetic number, because the mean of its divisors is an integer number (129027710448).

Almost surely, 213031110200000 is an apocalyptic number.

13031110200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031110200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21676655355264).

13031110200000 is an abundant number, since it is smaller than the sum of its proper divisors (30322200510528).

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

13031110200000 is an equidigital number, since it uses as much as digits as its factorization.

13031110200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130258 (or 130228 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13031110200000 its reverse (201113031), we get a palindrome (13031311313031).

The spelling of 13031110200000 in words is "thirteen trillion, thirty-one billion, one hundred ten million, two hundred thousand".