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3213042143420 = 2253111871276091
BaseRepresentation
bin101110110000011000001…
…111000101000010111100
3102101011102102122111022102
4232300120033011002330
5410120302242042140
610500015020004232
7451064115411614
oct56603017050274
912334372574272
103213042143420
1110297095872aa
1243a861390678
131a3cb0b880b5
14b1725193a44
15588a2b91e15
hex2ec183c50bc

3213042143420 has 48 divisors (see below), whose sum is σ = 6772726711296. Its totient is φ = 1280394984000.

The previous prime is 3213042143417. The next prime is 3213042143471. The reversal of 3213042143420 is 243412403123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11499575 + ... + 11775665.

It is an arithmetic number, because the mean of its divisors is an integer number (141098473152).

Almost surely, 23213042143420 is an apocalyptic number.

It is an amenable number.

3213042143420 is an abundant number, since it is smaller than the sum of its proper divisors (3559684567876).

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

3213042143420 is a wasteful number, since it uses less digits than its factorization.

3213042143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278282 (or 278280 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 3213042143420 its reverse (243412403123), we get a palindrome (3456454546543).

The spelling of 3213042143420 in words is "three trillion, two hundred thirteen billion, forty-two million, one hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 1871 3110 3742 6220 7484 9355 18710 37420 276091 552182 581881 1104364 1163762 1380455 2327524 2760910 2909405 5521820 5818810 11637620 85864301 171728602 343457204 429321505 516566261 858643010 1033132522 1717286020 2066265044 2582831305 5165662610 10331325220 160652107171 321304214342 642608428684 803260535855 1606521071710 3213042143420