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310021012 = 22711072179
BaseRepresentation
bin10010011110101…
…000101110010100
3210121100200212201
4102132220232110
51113331133022
650432454244
710453064230
oct2236505624
9717320781
10310021012
11149aa9414
12879aa384
134c2c90b2
142d2615c0
151c33d127
hex127a8b94

310021012 has 12 divisors (see below), whose sum is σ = 620042080. Its totient is φ = 132866136.

The previous prime is 310021007. The next prime is 310021069. The reversal of 310021012 is 210120013.

310021012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

310021012 is an admirable number.

It is a super-2 number, since 2×3100210122 = 192226055763008288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536062 + ... + 5536117.

Almost surely, 2310021012 is an apocalyptic number.

It is an amenable number.

310021012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

310021012 is a wasteful number, since it uses less digits than its factorization.

310021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072190 (or 11072188 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 310021012 is about 17607.4135522512. The cubic root of 310021012 is about 676.8052359516.

Adding to 310021012 its reverse (210120013), we get a palindrome (520141025).

Subtracting from 310021012 its reverse (210120013), we obtain a palindrome (99900999).

The spelling of 310021012 in words is "three hundred ten million, twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 11072179 22144358 44288716 77505253 155010506 310021012