Search a number
-
+
204231430212400 = 24522719187781749
BaseRepresentation
bin101110011011111101010101…
…110110011000101100110000
3222210010100000112002122221201
4232123331111312120230300
5203232111432113244100
62002210342424100544
761006143141551143
oct5633752566305460
9883110015078851
10204231430212400
115a090077063968
121aaa5504904754
1389c5c30b67ba6
143860bd53c805a
1518927dc95936a
hexb9bf55d98b30

204231430212400 has 60 divisors (see below), whose sum is σ = 490846471960000. Its totient is φ = 81662526570240.

The previous prime is 204231430212367. The next prime is 204231430212409. The reversal of 204231430212400 is 4212034132402.

It is a super-2 number, since 2×2042314302124002 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204231430212409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92803275 + ... + 94978474.

Almost surely, 2204231430212400 is an apocalyptic number.

204231430212400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204231430212400 is an abundant number, since it is smaller than the sum of its proper divisors (286615041747600).

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

204231430212400 is a wasteful number, since it uses less digits than its factorization.

204231430212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187784486 (or 187784475 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204231430212400 its reverse (4212034132402), we get a palindrome (208443464344802).

The spelling of 204231430212400 in words is "two hundred four trillion, two hundred thirty-one billion, four hundred thirty million, two hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2719 5438 10876 13595 21752 27190 43504 54380 67975 108760 135950 217520 271900 543800 1087600 187781749 375563498 751126996 938908745 1502253992 1877817490 3004507984 3755634980 4694543725 7511269960 9389087450 15022539920 18778174900 37556349800 75112699600 510578575531 1021157151062 2042314302124 2552892877655 4084628604248 5105785755310 8169257208496 10211571510620 12764464388275 20423143021240 25528928776550 40846286042480 51057857553100 102115715106200 204231430212400