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3013781221388 = 227237415579319
BaseRepresentation
bin101011110110110011010…
…110111111000000001100
3101200010002121001212012002
4223312303112333000030
5343334210443041023
610224302330531432
7430511210464100
oct53666326770014
911603077055162
103013781221388
11a62156a26343
12408111296b78
1318b276a0b282
14a5c212dd900
15535de55db28
hex2bdb35bf00c

3013781221388 has 36 divisors (see below), whose sum is σ = 6301013649840. Its totient is φ = 1256711857632.

The previous prime is 3013781221303. The next prime is 3013781221421. The reversal of 3013781221388 is 8831221873103.

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 11 ways as a sum of consecutive naturals, for example, 207782408 + ... + 207796911.

It is an arithmetic number, because the mean of its divisors is an integer number (175028156940).

Almost surely, 23013781221388 is an apocalyptic number.

It is an amenable number.

3013781221388 is an abundant number, since it is smaller than the sum of its proper divisors (3287232428452).

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

3013781221388 is a wasteful number, since it uses less digits than its factorization.

3013781221388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415579374 (or 415579365 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 3013781221388 in words is "three trillion, thirteen billion, seven hundred eighty-one million, two hundred twenty-one thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 37 49 74 98 148 196 259 518 1036 1813 3626 7252 415579319 831158638 1662317276 2909055233 5818110466 11636220932 15376434803 20363386631 30752869606 40726773262 61505739212 81453546524 107635043621 215270087242 430540174484 753445305347 1506890610694 3013781221388