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3125352142220 = 22572111761279577
BaseRepresentation
bin101101011110101101100…
…000010001010110001100
3102001210002011102212211012
4231132231200101112030
5402201210122022340
610351433354544352
7441541065612500
oct55365540212614
912053064385735
103125352142220
11aa54aa896530
1242586a1380b8
131989477cc119
14ab3a6da8300
155646e50e565
hex2d7ad81158c

3125352142220 has 288 divisors, whose sum is σ = 8963395930944. Its totient is φ = 901800345600.

The previous prime is 3125352142201. The next prime is 3125352142243. The reversal of 3125352142220 is 222412535213.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11039072 + ... + 11318648.

It is an arithmetic number, because the mean of its divisors is an integer number (31122902538).

Almost surely, 23125352142220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125352142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481697965472).

3125352142220 is an abundant number, since it is smaller than the sum of its proper divisors (5838043788724).

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

3125352142220 is a wasteful number, since it uses less digits than its factorization.

3125352142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279689 (or 279680 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 3125352142220 its reverse (222412535213), we get a palindrome (3347764677433).

The spelling of 3125352142220 in words is "three trillion, one hundred twenty-five billion, three hundred fifty-two million, one hundred forty-two thousand, two hundred twenty".