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121203032230 = 25747369151
BaseRepresentation
bin111000011100001000…
…0111000000010100110
3102120211211212222110201
41300320100320002212
53441210434012410
6131402505341114
711520344530000
oct1607020700246
9376754788421
10121203032230
1147446a52035
121b5a679779a
13b577500a67
145c1b025370
1532458de83a
hex1c384380a6

121203032230 has 80 divisors (see below), whose sum is σ = 258001409664. Its totient is φ = 40985481600.

The previous prime is 121203032191. The next prime is 121203032243. The reversal of 121203032230 is 32230302121.

It is a junction number, because it is equal to n+sod(n) for n = 121203032198 and 121203032207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1718155 + ... + 1787305.

Almost surely, 2121203032230 is an apocalyptic number.

121203032230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203032230 is an abundant number, since it is smaller than the sum of its proper divisors (136798377434).

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

121203032230 is an frugal number, since it uses more digits than its factorization.

121203032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69259 (or 69238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121203032230 its reverse (32230302121), we get a palindrome (153433334351).

The spelling of 121203032230 in words is "one hundred twenty-one billion, two hundred three million, thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 73 98 146 245 343 365 490 511 686 730 1022 1715 2401 2555 3430 3577 4802 5110 7154 12005 17885 24010 25039 35770 50078 69151 125195 138302 175273 250390 345755 350546 484057 691510 876365 968114 1752730 2420285 3388399 4840570 5048023 6776798 10096046 16941995 23718793 25240115 33883990 35336161 47437586 50480230 70672322 118593965 166031551 176680805 237187930 247353127 332063102 353361610 494706254 830157755 1236765635 1660315510 1731471889 2473531270 3462943778 8657359445 12120303223 17314718890 24240606446 60601516115 121203032230