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310311010212 = 223717217304629
BaseRepresentation
bin1001000001111111111…
…10100011111110100100
31002122222002220121200020
410200333332203332210
520041004104311322
6354315505515140
731263540031530
oct4407776437644
91078862817606
10310311010212
1110a669525945
1250182642ab0
13233540a0498
141103a702bc0
158112a0305c
hex483ffa3fa4

310311010212 has 48 divisors (see below), whose sum is σ = 876172268160. Its totient is φ = 83444977152.

The previous prime is 310311010171. The next prime is 310311010237. The reversal of 310311010212 is 212010113013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 310311010191 and 310311010200.

It is an unprimeable number.

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, 108650887 + ... + 108653742.

It is an arithmetic number, because the mean of its divisors is an integer number (18253588920).

Almost surely, 2310311010212 is an apocalyptic number.

It is an amenable number.

310311010212 is an abundant number, since it is smaller than the sum of its proper divisors (565861257948).

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

310311010212 is a wasteful number, since it uses less digits than its factorization.

310311010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217304660 (or 217304658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 310311010212 its reverse (212010113013), we get a palindrome (522321123225).

The spelling of 310311010212 in words is "three hundred ten billion, three hundred eleven million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 217304629 434609258 651913887 869218516 1303827774 1521132403 2607655548 3042264806 3694178693 4563397209 6084529612 7388357386 9126794418 11082536079 14776714772 18253588836 22165072158 25859250851 44330144316 51718501702 77577752553 103437003404 155155505106 310311010212