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13412131040 = 2557211155521
BaseRepresentation
bin11000111110110110…
…01110000011100000
31021121201021211222002
430133123032003200
5204432001143130
610054512303132
7653236142600
oct143733160340
937551254862
1013412131040
115762886620
122723841aa8
13135989cb19
149133aac00
1553770eb45
hex31f6ce0e0

13412131040 has 144 divisors (see below), whose sum is σ = 40210524144. Its totient is φ = 4180377600.

The previous prime is 13412131001. The next prime is 13412131043. The reversal of 13412131040 is 4013121431.

13412131040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8480 + ... + 164000.

It is an arithmetic number, because the mean of its divisors is an integer number (279239751).

Almost surely, 213412131040 is an apocalyptic number.

13412131040 is a gapful number since it is divisible by the number (10) 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 13412131040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20105262072).

13412131040 is an abundant number, since it is smaller than the sum of its proper divisors (26798393104).

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

13412131040 is a wasteful number, since it uses less digits than its factorization.

13412131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155561 (or 155546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13412131040 its reverse (4013121431), we get a palindrome (17425252471).

The spelling of 13412131040 in words is "thirteen billion, four hundred twelve million, one hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 70 77 80 88 98 110 112 140 154 160 176 196 220 224 245 280 308 352 385 392 440 490 539 560 616 770 784 880 980 1078 1120 1232 1540 1568 1760 1960 2156 2464 2695 3080 3920 4312 5390 6160 7840 8624 10780 12320 17248 21560 43120 86240 155521 311042 622084 777605 1088647 1244168 1555210 1710731 2177294 2488336 3110420 3421462 4354588 4976672 5443235 6220840 6842924 7620529 8553655 8709176 10886470 11975117 12441680 13685848 15241058 17107310 17418352 21772940 23950234 24883360 27371696 30482116 34214620 34836704 38102645 43545880 47900468 54743392 59875585 60964232 68429240 76205290 83825819 87091760 95800936 119751170 121928464 136858480 152410580 167651638 174183520 191601872 239502340 243856928 273716960 304821160 335303276 383203744 419129095 479004680 609642320 670606552 838258190 958009360 1219284640 1341213104 1676516380 1916018720 2682426208 3353032760 6706065520 13412131040