Search a number
-
+
310301121020 = 225114332801387
BaseRepresentation
bin1001000001111110110…
…00110101100111111100
31002122221102022012020212
410200333120311213330
520040444041333040
6354314513531552
731263360003212
oct4407730654774
91078842265225
10310301121020
1110a663990a60
125017b273bb8
132335201a1a7
141103928acb2
158111becd65
hex483f6359fc

310301121020 has 48 divisors (see below), whose sum is σ = 727403580288. Its totient is φ = 110212656960.

The previous prime is 310301120981. The next prime is 310301121061. The reversal of 310301121020 is 20121103013.

It is a junction number, because it is equal to n+sod(n) for n = 310301120986 and 310301121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16391234 + ... + 16410153.

It is an arithmetic number, because the mean of its divisors is an integer number (15154241256).

Almost surely, 2310301121020 is an apocalyptic number.

It is an amenable number.

310301121020 is an abundant number, since it is smaller than the sum of its proper divisors (417102459268).

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

310301121020 is a wasteful number, since it uses less digits than its factorization.

310301121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32801450 (or 32801448 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 310301121020 its reverse (20121103013), we get a palindrome (330422224033).

The spelling of 310301121020 in words is "three hundred ten billion, three hundred one million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1892 2365 4730 9460 32801387 65602774 131205548 164006935 328013870 360815257 656027740 721630514 1410459641 1443261028 1804076285 2820919282 3608152570 5641838564 7052298205 7216305140 14104596410 15515056051 28209192820 31030112102 62060224204 77575280255 155150560510 310301121020