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3120442000 = 245313120017
BaseRepresentation
bin1011100111111110…
…0010101010010000
322001110122212200221
42321333202222100
522342313121000
61233345522424
7140220214354
oct27177425220
98043585627
103120442000
111361454295
12731043414
133a96346b0
142185d9464
15133e3561a
hexb9fe2a90

3120442000 has 80 divisors (see below), whose sum is σ = 8125698672. Its totient is φ = 1152153600.

The previous prime is 3120441967. The next prime is 3120442033. The reversal of 3120442000 is 2440213.

It is an interprime number because it is at equal distance from previous prime (3120441967) and next prime (3120442033).

It can be written as a sum of positive squares in 8 ways, for example, as 788711056 + 2331730944 = 28084^2 + 48288^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34009 + ... + 86008.

Almost surely, 23120442000 is an apocalyptic number.

It is an amenable number.

3120442000 is an abundant number, since it is smaller than the sum of its proper divisors (5005256672).

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

3120442000 is a wasteful number, since it uses less digits than its factorization.

3120442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120053 (or 120037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3120442000 is about 55860.9165696375. The cubic root of 3120442000 is about 1461.2977140215.

Adding to 3120442000 its reverse (2440213), we get a palindrome (3122882213).

The spelling of 3120442000 in words is "three billion, one hundred twenty million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 650 1000 1040 1300 1625 2000 2600 3250 5200 6500 13000 26000 120017 240034 480068 600085 960136 1200170 1560221 1920272 2400340 3000425 3120442 4800680 6000850 6240884 7801105 9601360 12001700 12481768 15002125 15602210 24003400 24963536 30004250 31204420 39005525 48006800 60008500 62408840 78011050 120017000 124817680 156022100 195027625 240034000 312044200 390055250 624088400 780110500 1560221000 3120442000