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33103242040 = 23511181415661
BaseRepresentation
bin11110110101000110…
…110110001100111000
310011110000120221011111
4132311012312030320
51020243412221130
623112445210104
72251220625511
oct366506661470
9104400527144
1033103242040
1113047a0a780
1264ba260934
1331772869ab
141860647a08
15cdb2b302a
hex7b51b6338

33103242040 has 64 divisors (see below), whose sum is σ = 81702522720. Its totient is φ = 11971008000.

The previous prime is 33103242031. The next prime is 33103242047. The reversal of 33103242040 is 4024230133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33103242047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128191 + ... + 287470.

Almost surely, 233103242040 is an apocalyptic number.

It is an amenable number.

33103242040 is an abundant number, since it is smaller than the sum of its proper divisors (48599280680).

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

33103242040 is a wasteful number, since it uses less digits than its factorization.

33103242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415864 (or 415860 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 33103242040 its reverse (4024230133), we get a palindrome (37127472173).

The spelling of 33103242040 in words is "thirty-three billion, one hundred three million, two hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 181 220 362 440 724 905 1448 1810 1991 3620 3982 7240 7964 9955 15928 19910 39820 79640 415661 831322 1662644 2078305 3325288 4156610 4572271 8313220 9144542 16626440 18289084 22861355 36578168 45722710 75234641 91445420 150469282 182890840 300938564 376173205 601877128 752346410 827581051 1504692820 1655162102 3009385640 3310324204 4137905255 6620648408 8275810510 16551621020 33103242040