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1968450793600 = 27523716625429
BaseRepresentation
bin11100101001010000110…
…011110111000010000000
320222011220201110002221011
4130221100303313002000
5224222341400343400
64104143244010304
7262134021450334
oct34512063670200
96864821402834
101968450793600
116998a7179095
122795ba230994
1311381623bbc5
146b3b87b37c4
153630d3898ba
hex1ca50cf7080

1968450793600 has 96 divisors (see below), whose sum is σ = 4994112917700. Its totient is φ = 766099722240.

The previous prime is 1968450793591. The next prime is 1968450793633. The reversal of 1968450793600 is 63970548691.

It can be written as a sum of positive squares in 6 ways, for example, as 1732340321856 + 236110471744 = 1316184^2 + 485912^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8194315 + ... + 8431114.

Almost surely, 21968450793600 is an apocalyptic number.

1968450793600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1968450793600 is an abundant number, since it is smaller than the sum of its proper divisors (3025662124100).

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

1968450793600 is a wasteful number, since it uses less digits than its factorization.

1968450793600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625490 (or 16625473 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 1968450793600 in words is "one trillion, nine hundred sixty-eight billion, four hundred fifty million, seven hundred ninety-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 128 148 160 185 200 296 320 370 400 592 640 740 800 925 1184 1480 1600 1850 2368 2960 3200 3700 4736 5920 7400 11840 14800 23680 29600 59200 118400 16625429 33250858 66501716 83127145 133003432 166254290 266006864 332508580 415635725 532013728 615140873 665017160 831271450 1064027456 1230281746 1330034320 1662542900 2128054912 2460563492 2660068640 3075704365 3325085800 4921126984 5320137280 6151408730 6650171600 9842253968 10640274560 12302817460 13300343200 15378521825 19684507936 24605634920 26600686400 30757043650 39369015872 49211269840 53201372800 61514087300 78738031744 98422539680 123028174600 196845079360 246056349200 393690158720 492112698400 984225396800 1968450793600