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100215235000 = 235485923333
BaseRepresentation
bin101110101010101001…
…0110010000110111000
3100120200011122102011101
41131111102302012320
53120220100010000
6114012132141144
710145266304536
oct1352522620670
9316604572141
10100215235000
1139556984371
1217509a677b4
1395b129c32a
144bc988b156
1529180a2e6a
hex17554b21b8

100215235000 has 80 divisors (see below), whose sum is σ = 235087716600. Its totient is φ = 40037712000.

The previous prime is 100215234997. The next prime is 100215235009. The reversal of 100215235000 is 532512001.

It is a super-2 number, since 2×1002152350002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100215235009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4283334 + ... + 4306666.

Almost surely, 2100215235000 is an apocalyptic number.

100215235000 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 100215235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117543858300).

100215235000 is an abundant number, since it is smaller than the sum of its proper divisors (134872481600).

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

100215235000 is an equidigital number, since it uses as much as digits as its factorization.

100215235000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218 (or 24199 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 100215235000 its reverse (532512001), we get a palindrome (100747747001).

The spelling of 100215235000 in words is "one hundred billion, two hundred fifteen million, two hundred thirty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 859 1000 1250 1718 2500 3436 4295 5000 6872 8590 17180 21475 23333 34360 42950 46666 85900 93332 107375 116665 171800 186664 214750 233330 429500 466660 536875 583325 859000 933320 1073750 1166650 2147500 2333300 2916625 4295000 4666600 5833250 11666500 14583125 20043047 23333000 29166250 40086094 58332500 80172188 100215235 116665000 160344376 200430470 400860940 501076175 801721880 1002152350 2004304700 2505380875 4008609400 5010761750 10021523500 12526904375 20043047000 25053808750 50107617500 100215235000