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390223331112212 = 221317441429107593
BaseRepresentation
bin101100010111001111111001…
…1000010001011010100010100
31220011122222121212220211221222
41120232133303002023110110
5402121404340231042322
63501534042402425512
7145123463630351243
oct13056376302132424
91804588555824858
10390223331112212
111033788703477a4
1237923a90062298
1313997b96272950
146c50ca507a95a
15301a90ea76e42
hex162e7f308b514

390223331112212 has 24 divisors (see below), whose sum is σ = 778680945795816. Its totient is φ = 169508777315328.

The previous prime is 390223331112157. The next prime is 390223331112301. The reversal of 390223331112212 is 212211133322093.

It can be written as a sum of positive squares in 4 ways, for example, as 83532032251396 + 306691298860816 = 9139586^2 + 17512604^2 .

It is a super-2 number, since 2×3902233311122122 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220714552913 + ... + 220714554680.

It is an arithmetic number, because the mean of its divisors is an integer number (32445039408159).

Almost surely, 2390223331112212 is an apocalyptic number.

It is an amenable number.

390223331112212 is a deficient number, since it is larger than the sum of its proper divisors (388457614683604).

390223331112212 is a wasteful number, since it uses less digits than its factorization.

390223331112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441429107627 (or 441429107625 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 390223331112212 in words is "three hundred ninety trillion, two hundred twenty-three billion, three hundred thirty-one million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 441429107593 882858215186 1765716430372 5738578398709 7504294829081 11477156797418 15008589658162 22954313594836 30017179316324 97555832778053 195111665556106 390223331112212