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1220332310008 = 23797224656169
BaseRepresentation
bin10001110000100001011…
…110010100110111111000
311022122220001112110212021
4101300201132110313320
5124443220032410013
62332340220324224
7154110654325540
oct21604136246770
94278801473767
101220332310008
114305a3858589
121786129a3674
138b0cca93986
14430c89d4320
1521b24be8a8d
hex11c21794df8

1220332310008 has 32 divisors (see below), whose sum is σ = 2641956559200. Its totient is φ = 517607811072.

The previous prime is 1220332309961. The next prime is 1220332310039. The reversal of 1220332310008 is 8000132330221.

It is a super-2 number, since 2×12203323100082 (a number of 25 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, 112322653 + ... + 112333516.

It is an arithmetic number, because the mean of its divisors is an integer number (82561142475).

Almost surely, 21220332310008 is an apocalyptic number.

It is an amenable number.

1220332310008 is an abundant number, since it is smaller than the sum of its proper divisors (1421624249192).

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

1220332310008 is a wasteful number, since it uses less digits than its factorization.

1220332310008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224656279 (or 224656275 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1220332310008 its reverse (8000132330221), we get a palindrome (9220464640229).

The spelling of 1220332310008 in words is "one trillion, two hundred twenty billion, three hundred thirty-two million, three hundred ten thousand, eight".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 679 776 1358 2716 5432 224656169 449312338 898624676 1572593183 1797249352 3145186366 6290372732 12580745464 21791648393 43583296786 87166593572 152541538751 174333187144 305083077502 610166155004 1220332310008