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21348096200 = 2352173616997
BaseRepresentation
bin10011111000011100…
…100001100011001000
32001002210012122120122
4103320130201203020
5322210103034300
613450203442412
71354011552344
oct237034414310
961083178518
1021348096200
119065497712
124179526408
132022a825b2
141067366624
1584e2abc85
hex4f87218c8

21348096200 has 48 divisors (see below), whose sum is σ = 49921308180. Its totient is φ = 8489864960.

The previous prime is 21348096199. The next prime is 21348096283. The reversal of 21348096200 is 269084312.

It can be written as a sum of positive squares in 6 ways, for example, as 8024934724 + 13323161476 = 89582^2 + 115426^2 .

It is a super-2 number, since 2×213480962002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273899 + ... + 343098.

Almost surely, 221348096200 is an apocalyptic number.

21348096200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21348096200 is an abundant number, since it is smaller than the sum of its proper divisors (28573211980).

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

21348096200 is a wasteful number, since it uses less digits than its factorization.

21348096200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617186 (or 617177 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 21348096200 in words is "twenty-one billion, three hundred forty-eight million, ninety-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 173 200 346 692 865 1384 1730 3460 4325 6920 8650 17300 34600 616997 1233994 2467988 3084985 4935976 6169970 12339940 15424925 24679880 30849850 61699700 106740481 123399400 213480962 426961924 533702405 853923848 1067404810 2134809620 2668512025 4269619240 5337024050 10674048100 21348096200