Search a number
-
+
12313331331100 = 2252226754315533
BaseRepresentation
bin1011001100101110101110…
…1111010111000000011100
31121121010212020020220211021
42303023223233113000130
53103220200310043400
642104355531533524
72410415554253362
oct263135357270034
947533766226737
1012313331331100
113a1806658a508
12146a4a58ba2a4
136b41b043aa97
14307d7b497632
15165470b7d71a
hexb32ebbd701c

12313331331100 has 36 divisors (see below), whose sum is σ = 26731715951304. Its totient is φ = 4923159820480.

The previous prime is 12313331331089. The next prime is 12313331331113. The reversal of 12313331331100 is 113313331321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26931067 + ... + 27384466.

It is an arithmetic number, because the mean of its divisors is an integer number (742547665314).

Almost surely, 212313331331100 is an apocalyptic number.

12313331331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313331331100 is an abundant number, since it is smaller than the sum of its proper divisors (14418384620204).

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

12313331331100 is a wasteful number, since it uses less digits than its factorization.

12313331331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54317814 (or 54317807 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 12313331331100 its reverse (113313331321), we get a palindrome (12426644662421).

The spelling of 12313331331100 in words is "twelve trillion, three hundred thirteen billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2267 4534 9068 11335 22670 45340 56675 113350 226700 54315533 108631066 217262132 271577665 543155330 1086310660 1357888325 2715776650 5431553300 123133313311 246266626622 492533253244 615666566555 1231333133110 2462666266220 3078332832775 6156665665550 12313331331100