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1244120430102 = 2311116771614311
BaseRepresentation
bin10010000110101011010…
…110110011011000010110
311101221021220002011222020
4102012223112303120112
5130340424312230402
62351312510314010
7155612315112414
oct22065326633026
94357256064866
101244120430102
1143a6a0604270
121811514b8906
1390421206594
14443040382b4
15225682d58bc
hex121ab5b3616

1244120430102 has 32 divisors (see below), whose sum is σ = 2714678717184. Its totient is φ = 376973671200.

The previous prime is 1244120430101. The next prime is 1244120430127. The reversal of 1244120430102 is 2010340214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244120430101) 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, 36474 + ... + 1577837.

It is an arithmetic number, because the mean of its divisors is an integer number (84833709912).

Almost surely, 21244120430102 is an apocalyptic number.

1244120430102 is an abundant number, since it is smaller than the sum of its proper divisors (1470558287082).

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

1244120430102 is a wasteful number, since it uses less digits than its factorization.

1244120430102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626004.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1244120430102 its reverse (2010340214421), we get a palindrome (3254460644523).

The spelling of 1244120430102 in words is "one trillion, two hundred forty-four billion, one hundred twenty million, four hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 11677 23354 35031 70062 128447 256894 385341 770682 1614311 3228622 4842933 9685866 17757421 35514842 53272263 106544526 18850309547 37700619094 56550928641 113101857282 207353405017 414706810034 622060215051 1244120430102