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12313230333100 = 22521091537373483
BaseRepresentation
bin1011001100101110010110…
…1110000101010010101100
31121121010121012012200121121
42303023211232011102230
53103214443431124400
642104341523110324
72410413216633514
oct263134556052254
947533535180547
1012313230333100
113a18014577194
12146a477b123a4
136b4195537c58
14307d6bcc6844
15165466d7d21a
hexb32e5b854ac

12313230333100 has 72 divisors (see below), whose sum is σ = 26966965791920. Its totient is φ = 4879722113280.

The previous prime is 12313230333083. The next prime is 12313230333119. The reversal of 12313230333100 is 133303231321.

12313230333100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123132303331002 (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167528959 + ... + 167602441.

Almost surely, 212313230333100 is an apocalyptic number.

12313230333100 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 12313230333100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483482895960).

12313230333100 is an abundant number, since it is smaller than the sum of its proper divisors (14653735458820).

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

12313230333100 is a wasteful number, since it uses less digits than its factorization.

12313230333100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88979 (or 88972 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 12313230333100 its reverse (133303231321), we get a palindrome (12446533564421).

The spelling of 12313230333100 in words is "twelve trillion, three hundred thirteen billion, two hundred thirty million, three hundred thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 15373 30746 61492 73483 76865 146966 153730 293932 307460 367415 384325 734830 768650 1469660 1537300 1675657 1837075 3351314 3674150 6702628 7348300 8009647 8378285 16019294 16756570 32038588 33513140 40048235 41891425 80096470 83782850 160192940 167565700 200241175 400482350 800964700 1129654159 2259308318 4518616636 5648270795 11296541590 22593083180 28241353975 56482707950 112965415900 123132303331 246264606662 492529213324 615661516655 1231323033310 2462646066620 3078307583275 6156615166550 12313230333100