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992109119950 = 2521310717979691
BaseRepresentation
bin11100110111111100100…
…11111100100111001110
310111211210210100012000101
432123332103330213032
5112223314413314300
62035434005321314
7131451250243564
oct16337623744716
93454723305011
10992109119950
11352829808a23
1214033b40623a
137272b540350
1436038465a34
151ac18b22b6a
hexe6fe4fc9ce

992109119950 has 96 divisors (see below), whose sum is σ = 2017074648960. Its totient is φ = 360861820800.

The previous prime is 992109119893. The next prime is 992109119957. The reversal of 992109119950 is 59911901299.

It is a junction number, because it is equal to n+sod(n) for n = 992109119891 and 992109119900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992109119957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12409605 + ... + 12489295.

It is an arithmetic number, because the mean of its divisors is an integer number (21011194260).

Almost surely, 2992109119950 is an apocalyptic number.

992109119950 is an abundant number, since it is smaller than the sum of its proper divisors (1024965529010).

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

992109119950 is a wasteful number, since it uses less digits than its factorization.

992109119950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80002 (or 79997 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 55.

The spelling of 992109119950 in words is "nine hundred ninety-two billion, one hundred nine million, one hundred nineteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 107 130 179 214 325 358 535 650 895 1070 1391 1790 2327 2675 2782 4475 4654 5350 6955 8950 11635 13910 19153 23270 34775 38306 58175 69550 79691 95765 116350 159382 191530 248989 398455 478825 497978 796910 957650 1035983 1244945 1992275 2071966 2489890 3984550 5179915 6224725 8526937 10359830 12449450 14264689 17053874 25899575 28529378 42634685 51799150 71323445 85269370 110850181 142646890 185440957 213173425 221700362 356617225 370881914 426346850 554250905 713234450 927204785 1108501810 1526321723 1854409570 2771254525 3052643446 4636023925 5542509050 7631608615 9272047850 15263217230 19842182399 38158043075 39684364798 76316086150 99210911995 198421823990 496054559975 992109119950