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313023230212 = 227211413541147
BaseRepresentation
bin1001000111000011010…
…00110111000100000100
31002220222010102200001211
410203201220313010010
520112032421331322
6355444554101204
731421002361500
oct4434150670404
91086863380054
10313023230212
111108304a8980
12507baa1a804
1323696c750a4
14112169d7300
158220b9db77
hex48e1a37104

313023230212 has 72 divisors (see below), whose sum is σ = 712110698208. Its totient is φ = 118982505600.

The previous prime is 313023230189. The next prime is 313023230227. The reversal of 313023230212 is 212032320313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1682178 + ... + 1858969.

It is an arithmetic number, because the mean of its divisors is an integer number (9890426364).

Almost surely, 2313023230212 is an apocalyptic number.

It is an amenable number.

313023230212 is an abundant number, since it is smaller than the sum of its proper divisors (399087467996).

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

313023230212 is a wasteful number, since it uses less digits than its factorization.

313023230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541217 (or 3541208 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313023230212 its reverse (212032320313), we get a palindrome (525055550525).

The spelling of 313023230212 in words is "three hundred thirteen billion, twenty-three million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 41 44 49 77 82 98 154 164 196 287 308 451 539 574 902 1078 1148 1804 2009 2156 3157 4018 6314 8036 12628 22099 44198 88396 3541147 7082294 14164588 24788029 38952617 49576058 77905234 99152116 145187027 155810468 173516203 272668319 290374054 347032406 545336638 580748108 694064812 1016309189 1090673276 1597057297 1908678233 2032618378 3194114594 3817356466 4065236756 6388229188 7114164323 7634712932 11179401079 14228328646 22358802158 28456657292 44717604316 78255807553 156511615106 313023230212