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112131310100 = 2252192917911369
BaseRepresentation
bin110100001101110001…
…1000000001000010100
3101201102121211202012012
41220123203000020110
53314121103410400
6123302403043352
711046501260345
oct1503343001024
9351377752165
10112131310100
1143611223a17
1219894670558
13a75cc2b144
1455da2a00cc
152db4296d35
hex1a1b8c0214

112131310100 has 144 divisors (see below), whose sum is σ = 266467320000. Its totient is φ = 40793840640.

The previous prime is 112131310019. The next prime is 112131310103. The reversal of 112131310100 is 1013131211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131310103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9857216 + ... + 9868584.

It is an arithmetic number, because the mean of its divisors is an integer number (1850467500).

Almost surely, 2112131310100 is an apocalyptic number.

112131310100 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 112131310100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133233660000).

112131310100 is an abundant number, since it is smaller than the sum of its proper divisors (154336009900).

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

112131310100 is a wasteful number, since it uses less digits than its factorization.

112131310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610 (or 11603 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 112131310100 its reverse (1013131211), we get a palindrome (113144441311).

The spelling of 112131310100 in words is "one hundred twelve billion, one hundred thirty-one million, three hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 29 38 50 58 76 95 100 116 145 179 190 290 358 380 475 551 580 716 725 895 950 1102 1450 1790 1900 2204 2755 2900 3401 3580 4475 5191 5510 6802 8950 10382 11020 11369 13604 13775 17005 17900 20764 22738 25955 27550 34010 45476 51910 55100 56845 68020 85025 98629 103820 113690 129775 170050 197258 216011 227380 259550 284225 329701 340100 394516 432022 493145 519100 568450 659402 864044 986290 1080055 1136900 1318804 1648505 1972580 2035051 2160110 2465725 3297010 4070102 4320220 4931450 5400275 6264319 6594020 8140204 8242525 9862900 10175255 10800550 12528638 16485050 20350510 21601100 25057276 31321595 32970100 38665969 40701020 50876275 59016479 62643190 77331938 101752550 118032958 125286380 154663876 156607975 193329845 203505100 236065916 295082395 313215950 386659690 590164790 626431900 773319380 966649225 1121313101 1180329580 1475411975 1933298450 2242626202 2950823950 3866596900 4485252404 5606565505 5901647900 11213131010 22426262020 28032827525 56065655050 112131310100