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2030331042 = 233732112441
BaseRepresentation
bin111100100000100…
…0110010010100010
312020111102111121000
41321001012102202
513124231043132
6533245012430
7101212346325
oct17101062242
95214374530
102030331042
11952083843
12487b54116
13264836c1c
141539127bc
15bd3a487c
hex790464a2

2030331042 has 64 divisors (see below), whose sum is σ = 4597211520. Its totient is φ = 664070400.

The previous prime is 2030331041. The next prime is 2030331059. The reversal of 2030331042 is 2401330302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2030331041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830542 + ... + 832982.

It is an arithmetic number, because the mean of its divisors is an integer number (71831430).

Almost surely, 22030331042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030331042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298605760).

2030331042 is an abundant number, since it is smaller than the sum of its proper divisors (2566880478).

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

2030331042 is a wasteful number, since it uses less digits than its factorization.

2030331042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2030331042 is about 45059.1948663089. The cubic root of 2030331042 is about 1266.2582411587.

Adding to 2030331042 its reverse (2401330302), we get a palindrome (4431661344).

The spelling of 2030331042 in words is "two billion, thirty million, three hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 73 146 211 219 422 438 633 657 1266 1314 1899 1971 2441 3798 3942 4882 5697 7323 11394 14646 15403 21969 30806 43938 46209 65907 92418 131814 138627 178193 277254 356386 415881 515051 534579 831762 1030102 1069158 1545153 1603737 3090306 3207474 4635459 4811211 9270918 9622422 13906377 27812754 37598723 75197446 112796169 225592338 338388507 676777014 1015165521 2030331042