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42164098900 = 225271119288203
BaseRepresentation
bin100111010001001011…
…010001011101010100
311000211111012011002121
4213101023101131110
51142323002131100
631211522545324
73021602633020
oct472113213524
9130744164077
1042164098900
1116977597630
128208808244
133c8c523c61
14207db81380
15116b9b151a
hex9d12d1754

42164098900 has 144 divisors (see below), whose sum is σ = 120077314560. Its totient is φ = 12450326400.

The previous prime is 42164098897. The next prime is 42164098901. The reversal of 42164098900 is 989046124.

It is a super-2 number, since 2×421640989002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164098901) 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 47 ways as a sum of consecutive naturals, for example, 2199 + ... + 290401.

It is an arithmetic number, because the mean of its divisors is an integer number (833870240).

Almost surely, 242164098900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42164098900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60038657280).

42164098900 is an abundant number, since it is smaller than the sum of its proper divisors (77913215660).

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

42164098900 is a wasteful number, since it uses less digits than its factorization.

42164098900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288254 (or 288247 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 42164098900 in words is "forty-two billion, one hundred sixty-four million, ninety-eight thousand, nine hundred".

Divisors: 1 2 4 5 7 10 11 14 19 20 22 25 28 35 38 44 50 55 70 76 77 95 100 110 133 140 154 175 190 209 220 266 275 308 350 380 385 418 475 532 550 665 700 770 836 950 1045 1100 1330 1463 1540 1900 1925 2090 2660 2926 3325 3850 4180 5225 5852 6650 7315 7700 10450 13300 14630 20900 29260 36575 73150 146300 288203 576406 1152812 1441015 2017421 2882030 3170233 4034842 5475857 5764060 6340466 7205075 8069684 10087105 10951714 12680932 14410150 15851165 20174210 21903428 22191631 27379285 28820300 31702330 38330999 40348420 44383262 50435525 54758570 60234427 63404660 76661998 79255825 88766524 100871050 109517140 110958155 120468854 136896425 153323996 158511650 191654995 201742100 221916310 240937708 273792850 301172135 317023300 383309990 421640989 443832620 547585700 554790775 602344270 766619980 843281978 958274975 1109581550 1204688540 1505860675 1686563956 1916549950 2108204945 2219163100 3011721350 3833099900 4216409890 6023442700 8432819780 10541024725 21082049450 42164098900