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310212212013 = 321119829198937
BaseRepresentation
bin1001000001110100001…
…01101011010100101101
31002122201020000011000200
410200322011223110231
520040303311241023
6354302020144113
731261230203244
oct4407205532455
91078636004020
10310212212013
1110a618785340
1250155538039
132333978aa02
141102b54595b
158108ed9743
hex483a16b52d

310212212013 has 48 divisors (see below), whose sum is σ = 515169844800. Its totient is φ = 177896528640.

The previous prime is 310212212003. The next prime is 310212212129.

310212212013 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 310212212013 - 216 = 310212146477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310212212003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1459881 + ... + 1658817.

It is an arithmetic number, because the mean of its divisors is an integer number (10732705100).

Almost surely, 2310212212013 is an apocalyptic number.

310212212013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

310212212013 is a deficient number, since it is larger than the sum of its proper divisors (204957632787).

310212212013 is a wasteful number, since it uses less digits than its factorization.

310212212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199802 (or 199799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 310212 and 212013, that added together give a palindrome (522225).

The spelling of 310212212013 in words is "three hundred ten billion, two hundred twelve million, two hundred twelve thousand, thirteen".

Divisors: 1 3 9 11 19 33 57 99 171 209 627 829 1881 2487 7461 9119 15751 27357 47253 82071 141759 173261 198937 519783 596811 1559349 1790433 2188307 3779803 6564921 11339409 19694763 34018227 41577833 124733499 164918773 374200497 494756319 1484268957 1814106503 3133456687 5442319509 9400370061 16326958527 28201110183 34468023557 103404070671 310212212013