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2081233788 = 2231491164001
BaseRepresentation
bin111110000001101…
…0001101101111100
312101001012122000220
41330003101231330
513230243440123
6542304021340
7102401123664
oct17403215574
95331178026
102081233788
11978890827
124a1001850
1327224a1aa
1415a5a31a4
15c2aabce3
hex7c0d1b7c

2081233788 has 24 divisors (see below), whose sum is σ = 4888808400. Its totient is φ = 689088000.

The previous prime is 2081233783. The next prime is 2081233813. The reversal of 2081233788 is 8873321802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081233783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580213 + ... + 583788.

It is an arithmetic number, because the mean of its divisors is an integer number (203700350).

Almost surely, 22081233788 is an apocalyptic number.

It is an amenable number.

2081233788 is an abundant number, since it is smaller than the sum of its proper divisors (2807574612).

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

2081233788 is a wasteful number, since it uses less digits than its factorization.

2081233788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164157 (or 1164155 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 2081233788 is about 45620.5412944652. The cubic root of 2081233788 is about 1276.7532027441.

The spelling of 2081233788 in words is "two billion, eighty-one million, two hundred thirty-three thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 1164001 2328002 3492003 4656004 6984006 13968012 173436149 346872298 520308447 693744596 1040616894 2081233788