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1031411212400 = 245267257149749
BaseRepresentation
bin11110000001001001110…
…01100010000001110000
310122121020211011100100002
433000210321202001300
5113344312232244100
62105453533445132
7134342221436522
oct17004471420160
93577224140302
101031411212400
11368467816768
12147a896407a8
1376352b36a5a
1437cc6081a12
151bc691ec2d5
hexf024e62070

1031411212400 has 120 divisors (see below), whose sum is σ = 2524752654000. Its totient is φ = 404822753280.

The previous prime is 1031411212399. The next prime is 1031411212459. The reversal of 1031411212400 is 42121141301.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6812726 + ... + 6962474.

It is an arithmetic number, because the mean of its divisors is an integer number (21039605450).

Almost surely, 21031411212400 is an apocalyptic number.

1031411212400 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 1031411212400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262376327000).

1031411212400 is an abundant number, since it is smaller than the sum of its proper divisors (1493341441600).

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

1031411212400 is a wasteful number, since it uses less digits than its factorization.

1031411212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150091 (or 150080 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1031411212400 its reverse (42121141301), we get a palindrome (1073532353701).

The spelling of 1031411212400 in words is "one trillion, thirty-one billion, four hundred eleven million, two hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 134 200 257 268 335 400 514 536 670 1028 1072 1285 1340 1675 2056 2570 2680 3350 4112 5140 5360 6425 6700 10280 12850 13400 17219 20560 25700 26800 34438 51400 68876 86095 102800 137752 149749 172190 275504 299498 344380 430475 598996 688760 748745 860950 1197992 1377520 1497490 1721900 2395984 2994980 3443800 3743725 5989960 6887600 7487450 10033183 11979920 14974900 20066366 29949800 38485493 40132732 50165915 59899600 76970986 80265464 100331830 153941972 160530928 192427465 200663660 250829575 307883944 384854930 401327320 501659150 615767888 769709860 802654640 962137325 1003318300 1539419720 1924274650 2006636600 2578528031 3078839440 3848549300 4013273200 5157056062 7697098600 10314112124 12892640155 15394197200 20628224248 25785280310 41256448496 51570560620 64463200775 103141121240 128926401550 206282242480 257852803100 515705606200 1031411212400