Search a number
-
+
312113313012 = 223231483762539
BaseRepresentation
bin1001000101010110110…
…01110011010011110100
31002211121201021002022210
410202223121303103310
520103202002004022
6355214411253420
731356313246614
oct4425331632364
91084551232283
10312113313012
11110403912696
12505a614a270
13235805b8747
141116bc18a44
1581bad63a0c
hex48ab6734f4

312113313012 has 48 divisors (see below), whose sum is σ = 760441489920. Its totient is φ = 99447155808.

The previous prime is 312113313007. The next prime is 312113313077. The reversal of 312113313012 is 210313311213.

It is a happy number.

312113313012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 312113313012.

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, 28039 + ... + 790577.

It is an arithmetic number, because the mean of its divisors is an integer number (15842531040).

Almost surely, 2312113313012 is an apocalyptic number.

It is an amenable number.

312113313012 is an abundant number, since it is smaller than the sum of its proper divisors (448328176908).

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

312113313012 is a wasteful number, since it uses less digits than its factorization.

312113313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764052 (or 764050 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312113313012 its reverse (210313311213), we get a palindrome (522426624225).

The spelling of 312113313012 in words is "three hundred twelve billion, one hundred thirteen million, three hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1483 2966 4449 5932 8898 17796 34109 68218 102327 136436 204654 409308 762539 1525078 2287617 3050156 4575234 9150468 17538397 35076794 52615191 70153588 105230382 210460764 1130845337 2261690674 3392536011 4523381348 6785072022 13570144044 26009442751 52018885502 78028328253 104037771004 156056656506 312113313012