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303120630140 = 225431312690579
BaseRepresentation
bin1000110100100110110…
…01011100000101111100
31001222101222221110112012
410122103121130011330
514431242340131030
6351130211030352
730620416562366
oct4322331340574
91058358843465
10303120630140
11107609769979
124a8b659b3b8
13227794cab13
1410957789d36
157d41630095
hex469365c17c

303120630140 has 48 divisors (see below), whose sum is σ = 656329322880. Its totient is φ = 117524447040.

The previous prime is 303120630061. The next prime is 303120630149. The reversal of 303120630140 is 41036021303.

It is a super-3 number, since 3×3031206301403 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303120630149) 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, 1232630 + ... + 1457949.

It is an arithmetic number, because the mean of its divisors is an integer number (13673527560).

Almost surely, 2303120630140 is an apocalyptic number.

It is an amenable number.

303120630140 is an abundant number, since it is smaller than the sum of its proper divisors (353208692740).

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

303120630140 is a wasteful number, since it uses less digits than its factorization.

303120630140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690762 (or 2690760 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 303120630140 its reverse (41036021303), we get a palindrome (344156651443).

The spelling of 303120630140 in words is "three hundred three billion, one hundred twenty million, six hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 131 172 215 262 430 524 655 860 1310 2620 5633 11266 22532 28165 56330 112660 2690579 5381158 10762316 13452895 26905790 53811580 115694897 231389794 352465849 462779588 578474485 704931698 1156948970 1409863396 1762329245 2313897940 3524658490 7049316980 15156031507 30312063014 60624126028 75780157535 151560315070 303120630140