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1220233434441 = 37198999339841
BaseRepresentation
bin10001110000011011100…
…101001001010101001001
311022122122011111002002020
4101300123211021111021
5124443014224400231
62332322325155053
7154105344025560
oct21603345112511
94278564432066
101220233434441
11430552a6493a
121785a585ba89
138b0b5454c18
14430b9816bd7
1521b1b1b7396
hex11c1b949549

1220233434441 has 32 divisors (see below), whose sum is σ = 1957489920000. Its totient is φ = 660502149120.

The previous prime is 1220233434379. The next prime is 1220233434451. The reversal of 1220233434441 is 1444343320221.

It is not a de Polignac number, because 1220233434441 - 26 = 1220233434377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220233434451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3420681 + ... + 3760521.

It is an arithmetic number, because the mean of its divisors is an integer number (61171560000).

Almost surely, 21220233434441 is an apocalyptic number.

It is an amenable number.

1220233434441 is a deficient number, since it is larger than the sum of its proper divisors (737256485559).

1220233434441 is a wasteful number, since it uses less digits than its factorization.

1220233434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348869.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1220233434441 its reverse (1444343320221), we get a palindrome (2664576754662).

The spelling of 1220233434441 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, four hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 3 7 19 21 57 133 399 8999 26997 62993 170981 188979 339841 512943 1019523 1196867 2378887 3590601 6456979 7136661 19370937 45198853 135596559 3058229159 9174687477 21407604113 58106354021 64222812339 174319062063 406744478147 1220233434441