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3104403121220 = 2253710938487517
BaseRepresentation
bin101101001011001100110…
…110000110010001000100
3101222210000012011100111112
4231023030312012101010
5401330304144334340
610334050524424152
7440200001100512
oct55131466062104
911883005140445
103104403121220
11a9762a6a2a35
124217a23a8058
131969896261cb
14aa37aa454b2
1555b452d2065
hex2d2ccd86444

3104403121220 has 48 divisors (see below), whose sum is σ = 6756868660080. Its totient is φ = 1197115697664.

The previous prime is 3104403121213. The next prime is 3104403121229. The reversal of 3104403121220 is 221213044013.

It can be written as a sum of positive squares in 8 ways, for example, as 5761113604 + 3098642007616 = 75902^2 + 1760296^2 .

It is not an unprimeable number, because it can be changed into a prime (3104403121229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19163099 + ... + 19324418.

It is an arithmetic number, because the mean of its divisors is an integer number (140768097085).

Almost surely, 23104403121220 is an apocalyptic number.

It is an amenable number.

3104403121220 is an abundant number, since it is smaller than the sum of its proper divisors (3652465538860).

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

3104403121220 is a wasteful number, since it uses less digits than its factorization.

3104403121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38487672 (or 38487670 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3104403121220 its reverse (221213044013), we get a palindrome (3325616165233).

The spelling of 3104403121220 in words is "three trillion, one hundred four billion, four hundred three million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 109 148 185 218 370 436 545 740 1090 2180 4033 8066 16132 20165 40330 80660 38487517 76975034 153950068 192437585 384875170 769750340 1424038129 2848076258 4195139353 5696152516 7120190645 8390278706 14240381290 16780557412 20975696765 28480762580 41951393530 83902787060 155220156061 310440312122 620880624244 776100780305 1552201560610 3104403121220