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2144722670 = 251371565491
BaseRepresentation
bin111111111010101…
…1101111011101110
312112110200012101222
41333311131323232
513343022111140
6552452503342
7104101561526
oct17765357356
95473605358
102144722670
11a00704982
124ba31ab52
1328244918c
14164bac686
15c844d5b5
hex7fd5deee

2144722670 has 16 divisors (see below), whose sum is σ = 3888682128. Its totient is φ = 851626560.

The previous prime is 2144722663. The next prime is 2144722681. The reversal of 2144722670 is 762274412.

It is a super-3 number, since 3×21447226703 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2144722670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781376 + ... + 784115.

It is an arithmetic number, because the mean of its divisors is an integer number (243042633).

Almost surely, 22144722670 is an apocalyptic number.

2144722670 is a deficient number, since it is larger than the sum of its proper divisors (1743959458).

2144722670 is a wasteful number, since it uses less digits than its factorization.

2144722670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565635.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 2144722670 is about 46311.1506011241. The cubic root of 2144722670 is about 1289.6060071149.

The spelling of 2144722670 in words is "two billion, one hundred forty-four million, seven hundred twenty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 137 274 685 1370 1565491 3130982 7827455 15654910 214472267 428944534 1072361335 2144722670