Search a number
-
+
15121301544230 = 25747127307117883
BaseRepresentation
bin1101110000001011001111…
…0011101001110100100110
31222112120201111121021202212
43130002303303221310212
53440221411143403410
652054344030403422
73120322643253440
oct334026363516446
958476644537685
1015121301544230
1148aa9a9568092
121842739360572
13858c17c6295b
143a3c36a21490
151b3516a12b05
hexdc0b3ce9d26

15121301544230 has 128 divisors (see below), whose sum is σ = 32123235336192. Its totient is φ = 5017744464768.

The previous prime is 15121301544163. The next prime is 15121301544241. The reversal of 15121301544230 is 3244510312151.

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 63 ways as a sum of consecutive naturals, for example, 128214869 + ... + 128332751.

It is an arithmetic number, because the mean of its divisors is an integer number (250962776064).

Almost surely, 215121301544230 is an apocalyptic number.

15121301544230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15121301544230 is an abundant number, since it is smaller than the sum of its proper divisors (17001933791962).

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

15121301544230 is a wasteful number, since it uses less digits than its factorization.

15121301544230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118378.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 15121301544230 its reverse (3244510312151), we get a palindrome (18365811856381).

The spelling of 15121301544230 in words is "fifteen trillion, one hundred twenty-one billion, three hundred one million, five hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 127 235 254 307 329 470 614 635 658 889 1270 1535 1645 1778 2149 3070 3290 4298 4445 5969 8890 10745 11938 14429 21490 28858 29845 38989 41783 59690 72145 77978 83566 101003 117883 144290 194945 202006 208915 235766 272923 389890 417830 505015 545846 589415 825181 1010030 1178830 1364615 1650362 1832483 2729230 3664966 4125905 5540501 8251810 9162415 11081002 12827381 14971141 18324830 25654762 27702505 29942282 36190081 38783507 55405010 64136905 72380162 74855705 77567014 104797987 128273810 149711410 180950405 193917535 209595974 253330567 361900810 387835070 506661134 523989935 703643627 1047979870 1266652835 1407287254 1700933807 2533305670 3401867614 3518218135 4596140287 4925505389 7036436270 8504669035 9192280574 9851010778 11906536649 17009338070 22980701435 23813073298 24627526945 32172982009 45961402870 49255053890 59532683245 64345964018 119065366490 160864910045 216018593489 321729820090 432037186978 1080092967445 1512130154423 2160185934890 3024260308846 7560650772115 15121301544230