Search a number
-
+
311474103357320 = 23579389253387543
BaseRepresentation
bin100011011010010001011011…
…1010010011000111110001000
31111211211122002210201020001222
41012310202313102120332020
5311311142430424413240
63022241121104101212
7122415155434005101
oct10664426722307610
91454748083636058
10311474103357320
11902774752609a2
122ab25927004808
13104a4b60750c17
1456cb5d9b233a8
1526022523b1eb5
hex11b48b7498f88

311474103357320 has 64 divisors (see below), whose sum is σ = 711512223552000. Its totient is φ = 122696329137408.

The previous prime is 311474103357289. The next prime is 311474103357323. The reversal of 311474103357320 is 23753301474113.

It is a super-2 number, since 2×3114741033573202 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311474103357323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125464532 + ... + 127923011.

It is an arithmetic number, because the mean of its divisors is an integer number (11117378493000).

Almost surely, 2311474103357320 is an apocalyptic number.

It is an amenable number.

311474103357320 is an abundant number, since it is smaller than the sum of its proper divisors (400038120194680).

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

311474103357320 is a wasteful number, since it uses less digits than its factorization.

311474103357320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253388022 (or 253388018 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 311474103357320 in words is "three hundred eleven trillion, four hundred seventy-four billion, one hundred three million, three hundred fifty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 389 395 632 778 790 1556 1580 1945 3112 3160 3890 7780 15560 30731 61462 122924 153655 245848 307310 614620 1229240 253387543 506775086 1013550172 1266937715 2027100344 2533875430 5067750860 10135501720 20017615897 40035231794 80070463588 98567754227 100088079485 160140927176 197135508454 200176158970 394271016908 400352317940 492838771135 788542033816 800704635880 985677542270 1971355084540 3942710169080 7786852583933 15573705167866 31147410335732 38934262919665 62294820671464 77868525839330 155737051678660 311474103357320