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210324414420 = 223256119155229
BaseRepresentation
bin1100001111100001001…
…1111101111111010100
3202002212212111021112200
43003320103331333110
511421221022230140
6240342142044500
721124015011411
oct3037023757724
9662785437480
10210324414420
118121a7155aa
1234919279730
1316aab2a4c33
14a273371108
15570ea65030
hex30f84fdfd4

210324414420 has 72 divisors (see below), whose sum is σ = 648442845960. Its totient is φ = 55167056640.

The previous prime is 210324414403. The next prime is 210324414449. The reversal of 210324414420 is 24414423012.

210324414420 is a `hidden beast` number, since 210 + 3 + 2 + 4 + 4 + 1 + 442 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10692387216 + 199632027204 = 103404^2 + 446802^2 .

It is a super-2 number, since 2×2103244144202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9566635 + ... + 9588594.

Almost surely, 2210324414420 is an apocalyptic number.

210324414420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210324414420 is an abundant number, since it is smaller than the sum of its proper divisors (438118431540).

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

210324414420 is a wasteful number, since it uses less digits than its factorization.

210324414420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19155305 (or 19155300 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 210324414420 its reverse (24414423012), we get a palindrome (234738837432).

The spelling of 210324414420 in words is "two hundred ten billion, three hundred twenty-four million, four hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 61 90 122 180 183 244 305 366 549 610 732 915 1098 1220 1830 2196 2745 3660 5490 10980 19155229 38310458 57465687 76620916 95776145 114931374 172397061 191552290 229862748 287328435 344794122 383104580 574656870 689588244 861985305 1149313740 1168468969 1723970610 2336937938 3447941220 3505406907 4673875876 5842344845 7010813814 10516220721 11684689690 14021627628 17527034535 21032441442 23369379380 35054069070 42064882884 52581103605 70108138140 105162207210 210324414420