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1223401112290 = 257173101024039
BaseRepresentation
bin10001110011011000011…
…000111000001011100010
311022221210221000210012001
4101303120120320023202
5130021011141043130
62334004523354214
7154250006606140
oct21633030701342
94287727023161
101223401112290
11431929041115
1217912a68296a
138b49b7b7806
14432da3ca590
1521c5432d6ca
hex11cd86382e2

1223401112290 has 32 divisors (see below), whose sum is σ = 2531258346240. Its totient is φ = 417027228864.

The previous prime is 1223401112281. The next prime is 1223401112293. The reversal of 1223401112290 is 922111043221.

It is not an unprimeable number, because it can be changed into a prime (1223401112293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50499910 + ... + 50524129.

It is an arithmetic number, because the mean of its divisors is an integer number (79101823320).

Almost surely, 21223401112290 is an apocalyptic number.

1223401112290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223401112290 is an abundant number, since it is smaller than the sum of its proper divisors (1307857233950).

1223401112290 is a wasteful number, since it uses less digits than its factorization.

1223401112290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101024226.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1223401112290 in words is "one trillion, two hundred twenty-three billion, four hundred one million, one hundred twelve thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 173 346 865 1211 1730 2422 6055 12110 101024039 202048078 505120195 707168273 1010240390 1414336546 3535841365 7071682730 17477158747 34954317494 87385793735 122340111229 174771587470 244680222458 611700556145 1223401112290