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3110121000400 = 245223333370397
BaseRepresentation
bin101101010000100001101…
…010000100110111010000
3102000022202200100201011111
4231100201222010313100
5401424011434003100
610340434142423104
7440461461213301
oct55204152046720
912008680321144
103110121000400
11a99aa4251217
12422919291a94
1319738b11417b
14aa7601b67a8
1555d7c28d6ba
hex2d421a84dd0

3110121000400 has 60 divisors (see below), whose sum is σ = 7504134879852. Its totient is φ = 1238709099520.

The previous prime is 3110121000353. The next prime is 3110121000407. The reversal of 3110121000400 is 40001210113.

It can be written as a sum of positive squares in 6 ways, for example, as 783812750224 + 2326308250176 = 885332^2 + 1525224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3110121000407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16591999 + ... + 16778398.

Almost surely, 23110121000400 is an apocalyptic number.

It is an amenable number.

3110121000400 is an abundant number, since it is smaller than the sum of its proper divisors (4394013879452).

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

3110121000400 is a wasteful number, since it uses less digits than its factorization.

3110121000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33370648 (or 33370637 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 3110121000400 its reverse (40001210113), we get a palindrome (3150122210513).

The spelling of 3110121000400 in words is "three trillion, one hundred ten billion, one hundred twenty-one million, four hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 233 400 466 932 1165 1864 2330 3728 4660 5825 9320 11650 18640 23300 46600 93200 33370397 66740794 133481588 166851985 266963176 333703970 533926352 667407940 834259925 1334815880 1668519850 2669631760 3337039700 6674079400 7775302501 13348158800 15550605002 31101210004 38876512505 62202420008 77753025010 124404840016 155506050020 194382562525 311012100040 388765125050 622024200080 777530250100 1555060500200 3110121000400