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2160229143072 = 25371113196717659
BaseRepresentation
bin11111011011110111101…
…100001101001000100000
321122111221002020200011110
4133123313230031020200
5240343122130034242
64332221235343320
7312033330514620
oct37336754151040
97574832220143
102160229143072
1176316a041590
122aa800451b40
1312892a1201c0
14767ac9b0880
153b2d4b2e39c
hex1f6f7b0d220

2160229143072 has 768 divisors, whose sum is σ = 8134472908800. Its totient is φ = 483326300160.

The previous prime is 2160229143067. The next prime is 2160229143133. The reversal of 2160229143072 is 2703419220612.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2160229143072.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 122321379 + ... + 122339037.

It is an arithmetic number, because the mean of its divisors is an integer number (10591761600).

Almost surely, 22160229143072 is an apocalyptic number.

2160229143072 is a gapful number since it is divisible by the number (22) 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 2160229143072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4067236454400).

2160229143072 is an abundant number, since it is smaller than the sum of its proper divisors (5974243765728).

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

2160229143072 is a wasteful number, since it uses less digits than its factorization.

2160229143072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17789 (or 17781 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 2160229143072 in words is "two trillion, one hundred sixty billion, two hundred twenty-nine million, one hundred forty-three thousand, seventy-two".