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7649105793156 = 223279151110916061
BaseRepresentation
bin110111101001111001000…
…1110111101000010000100
31000002020200100000210022100
41233103302032331002010
52000310332040340111
624133541203232100
71416425654321022
oct157236216750204
930066610023270
107649105793156
112489a70899073
12a36546078630
134363cc9a9c79
141c630c15b712
15d3e8667b756
hex6f4f23bd084

7649105793156 has 144 divisors (see below), whose sum is σ = 19728659059200. Its totient is φ = 2498344992000.

The previous prime is 7649105793031. The next prime is 7649105793163. The reversal of 7649105793156 is 6513975019467.

It is a happy number.

7649105793156 is a `hidden beast` number, since 7 + 6 + 4 + 9 + 1 + 0 + 579 + 3 + 1 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7649105793093 and 7649105793102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476245366 + ... + 476261426.

It is an arithmetic number, because the mean of its divisors is an integer number (137004576800).

Almost surely, 27649105793156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7649105793156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9864329529600).

7649105793156 is an abundant number, since it is smaller than the sum of its proper divisors (12079553266044).

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

7649105793156 is a wasteful number, since it uses less digits than its factorization.

7649105793156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17410 (or 17405 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 7649105793156 in words is "seven trillion, six hundred forty-nine billion, one hundred five million, seven hundred ninety-three thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 79 151 158 237 302 316 453 474 604 711 906 948 1109 1359 1422 1812 2218 2718 2844 3327 4436 5436 6654 9981 11929 13308 16061 19962 23858 32122 35787 39924 47716 48183 64244 71574 87611 96366 107361 143148 144549 167459 175222 192732 214722 262833 289098 334918 350444 429444 502377 525666 578196 669836 788499 1004754 1051332 1268819 1507131 1576998 2009508 2425211 2537638 3014262 3153996 3806457 4850422 5075276 6028524 7275633 7612914 9700844 11419371 13229261 14551266 15225828 17811649 21826899 22838742 26458522 29102532 35623298 39687783 43653798 45677484 52917044 53434947 71246596 79375566 87307596 106869894 119063349 158751132 160304841 191591669 213739788 238126698 320609682 383183338 476253396 574775007 641219364 766366676 1149550014 1407120271 1724325021 2299100028 2689558999 2814240542 3448650042 4221360813 5379117998 5628481084 6897300084 8068676997 8442721626 10758235996 12664082439 16137353994 16885443252 24206030991 25328164878 32274707988 48412061982 50656329756 96824123964 212475160921 424950321842 637425482763 849900643684 1274850965526 1912276448289 2549701931052 3824552896578 7649105793156