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3120453140 = 225747974889
BaseRepresentation
bin1011100111111110…
…0101011000010100
322001110200102222112
42321333211120110
522342314000030
61233350050152
7140220262010
oct27177453024
98043612875
103120453140
1113614616a2
12731049958
133a963979c
142185dd540
15133e38a95
hexb9fe5614

3120453140 has 96 divisors (see below), whose sum is σ = 7728860160. Its totient is φ = 1036099584.

The previous prime is 3120453103. The next prime is 3120453151. The reversal of 3120453140 is 413540213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635816 + ... + 640704.

It is an arithmetic number, because the mean of its divisors is an integer number (80508960).

Almost surely, 23120453140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120453140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864430080).

3120453140 is an abundant number, since it is smaller than the sum of its proper divisors (4608407020).

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

3120453140 is a wasteful number, since it uses less digits than its factorization.

3120453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3120453140 is about 55861.0162814820. The cubic root of 3120453140 is about 1461.2994529671.

Adding to 3120453140 its reverse (413540213), we get a palindrome (3533993353).

The spelling of 3120453140 in words is "three billion, one hundred twenty million, four hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 97 140 188 194 235 329 388 470 485 658 679 940 970 1316 1358 1645 1940 2716 3290 3395 4559 4889 6580 6790 9118 9778 13580 18236 19556 22795 24445 31913 34223 45590 48890 63826 68446 91180 97780 127652 136892 159565 171115 229783 319130 342230 459566 474233 638260 684460 919132 948466 1148915 1608481 1896932 2297830 2371165 3216962 3319631 4595660 4742330 6433924 6639262 8042405 9484660 13278524 16084810 16598155 22288951 32169620 33196310 44577902 66392620 89155804 111444755 156022657 222889510 312045314 445779020 624090628 780113285 1560226570 3120453140