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2031102120320 = 275721323251863
BaseRepresentation
bin11101100011100111000…
…111101101000110000000
321012011121222222021012022
4131203213013231012000
5231234144120322240
64153024143221012
7266512414110500
oct35434707550600
97164558867168
102031102120320
11713427218159
12289783ba7768
131196bc070270
147043d429a00
1537c7875a9b5
hex1d8e71ed180

2031102120320 has 768 divisors, whose sum is σ = 6379987783680. Its totient is φ = 611702784000.

The previous prime is 2031102120317. The next prime is 2031102120329. The reversal of 2031102120320 is 230212011302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031102120329) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2353536209 + ... + 2353537071.

It is an arithmetic number, because the mean of its divisors is an integer number (8307275760).

Almost surely, 22031102120320 is an apocalyptic number.

2031102120320 is a gapful number since it is divisible by the number (20) 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 2031102120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189993891840).

2031102120320 is an abundant number, since it is smaller than the sum of its proper divisors (4348885663360).

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

2031102120320 is a wasteful number, since it uses less digits than its factorization.

2031102120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2031102120320 its reverse (230212011302), we get a palindrome (2261314131622).

The spelling of 2031102120320 in words is "two trillion, thirty-one billion, one hundred two million, one hundred twenty thousand, three hundred twenty".