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10402011144 = 2333714834639
BaseRepresentation
bin10011011000000001…
…00001100000001000
3222211221012220202000
421230000201200020
5132300403324034
64440103111000
7515525431050
oct115400414010
928757186660
1010402011144
114458733a28
122023742460
13c9a0842a5
147096cc560
1540d31c599
hex26c021808

10402011144 has 128 divisors (see below), whose sum is σ = 33051648000. Its totient is φ = 2969358912.

The previous prime is 10402011143. The next prime is 10402011181. The reversal of 10402011144 is 44111020401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10402011143) 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, 2239977 + ... + 2244615.

It is an arithmetic number, because the mean of its divisors is an integer number (258216000).

Almost surely, 210402011144 is an apocalyptic number.

10402011144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10402011144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16525824000).

10402011144 is an abundant number, since it is smaller than the sum of its proper divisors (22649636856).

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

10402011144 is a wasteful number, since it uses less digits than its factorization.

10402011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144 (or 6134 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10402011144 its reverse (44111020401), we get a palindrome (54513031545).

The spelling of 10402011144 in words is "ten billion, four hundred two million, eleven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1483 1512 2966 4449 4639 5932 8898 9278 10381 11864 13347 13917 17796 18556 20762 26694 27834 31143 32473 35592 37112 40041 41524 41751 53388 55668 62286 64946 80082 83048 83502 93429 97419 106776 111336 124572 125253 129892 160164 167004 186858 194838 249144 250506 259784 280287 292257 320328 334008 373716 389676 501012 560574 584514 747432 779352 876771 1002024 1121148 1169028 1753542 2242296 2338056 3507084 6879637 7014168 13759274 20638911 27518548 41277822 48157459 55037096 61916733 82555644 96314918 123833466 144472377 165111288 185750199 192629836 247666932 288944754 371500398 385259672 433417131 495333864 577889508 743000796 866834262 1155779016 1300251393 1486001592 1733668524 2600502786 3467337048 5201005572 10402011144