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2144102730 = 2357111771769
BaseRepresentation
bin111111111001100…
…0110100101001010
312112102111201000020
41333303012211022
513342342241410
6552431321310
7104063400240
oct17763064512
95472451006
102144102730
11a00321130
124ba080236
1328228cc53
14164a8a790
15c8379a70
hex7fcc694a

2144102730 has 256 divisors, whose sum is σ = 6897623040. Its totient is φ = 412876800.

The previous prime is 2144102717. The next prime is 2144102743. The reversal of 2144102730 is 372014412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2144102717) and next prime (2144102743).

It is a self number, because there is not a number n which added to its sum of digits gives 2144102730.

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, 2787786 + ... + 2788554.

It is an arithmetic number, because the mean of its divisors is an integer number (26943840).

Almost surely, 22144102730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144102730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3448811520).

2144102730 is an abundant number, since it is smaller than the sum of its proper divisors (4753520310).

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

2144102730 is a wasteful number, since it uses less digits than its factorization.

2144102730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2144102730 is about 46304.4569129150. The cubic root of 2144102730 is about 1289.4817400162.

The spelling of 2144102730 in words is "two billion, one hundred forty-four million, one hundred two thousand, seven hundred thirty".