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1244244510420 = 2235196673163561
BaseRepresentation
bin10010000110110010110…
…000001000011011010100
311101221121112120010011120
4102012302300020123110
5130341203043313140
62351333102003540
7155615352556542
oct22066260103324
94357545503146
101244244510420
1143a75465268a
12181186b765b0
1390440b2b7a2
14443166d6d92
15225741451d0
hex121b2c086d4

1244244510420 has 96 divisors (see below), whose sum is σ = 3667818967680. Its totient is φ = 314286428160.

The previous prime is 1244244510419. The next prime is 1244244510437. The reversal of 1244244510420 is 240154424421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7525440 + ... + 7689000.

It is an arithmetic number, because the mean of its divisors is an integer number (38206447580).

Almost surely, 21244244510420 is an apocalyptic number.

1244244510420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244244510420 is an abundant number, since it is smaller than the sum of its proper divisors (2423574457260).

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

1244244510420 is a wasteful number, since it uses less digits than its factorization.

1244244510420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170265 (or 170263 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 1244244510420 its reverse (240154424421), we get a palindrome (1484398934841).

The spelling of 1244244510420 in words is "one trillion, two hundred forty-four billion, two hundred forty-four million, five hundred ten thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 6673 13346 20019 26692 33365 40038 66730 80076 100095 126787 133460 163561 200190 253574 327122 380361 400380 490683 507148 633935 654244 760722 817805 981366 1267870 1521444 1635610 1901805 1962732 2453415 2535740 3107659 3271220 3803610 4906830 6215318 7607220 9322977 9813660 12430636 15538295 18645954 31076590 37291908 46614885 62153180 93229770 186459540 1091442553 2182885106 3274327659 4365770212 5457212765 6548655318 10914425530 13097310636 16371638295 20737408507 21828851060 32743276590 41474817014 62212225521 65486553180 82949634028 103687042535 124424451042 207374085070 248848902084 311061127605 414748170140 622122255210 1244244510420