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1222080056876 = 227213168992
BaseRepresentation
bin10001110010001001101…
…001011100111000101100
311022211101212020012211202
4101302021221130320230
5130010304443310001
62333225452505032
7154202166042500
oct21621151347054
94284355205752
101222080056876
11431310372688
12178a2017b178
138b31abb9c13
1443212b88300
1521bc837e96b
hex11c89a5ce2c

1222080056876 has 54 divisors (see below), whose sum is σ = 2507160123468. Its totient is φ = 519675177840.

The previous prime is 1222080056779. The next prime is 1222080056887. The reversal of 1222080056876 is 6786500802221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222080056876.

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 17 ways as a sum of consecutive naturals, for example, 177135275 + ... + 177142173.

Almost surely, 21222080056876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222080056876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253580061734).

1222080056876 is an abundant number, since it is smaller than the sum of its proper divisors (1285080066592).

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

1222080056876 is an frugal number, since it uses more digits than its factorization.

1222080056876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13947 (or 7039 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 1222080056876 in words is "one trillion, two hundred twenty-two billion, eighty million, fifty-six thousand, eight hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 917 1834 3668 6419 6899 12838 13798 25676 27596 48293 96586 193172 338051 676102 903769 1352204 1807538 3615076 6326383 12652766 25305532 44284681 47596201 88569362 95192402 177138724 190384804 333173407 666346814 1332693628 2332213849 4664427698 6235102331 9328855396 12470204662 24940409324 43645716317 87291432634 174582865268 305520014219 611040028438 1222080056876