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80369309528 = 2379355935731
BaseRepresentation
bin100101011011001100…
…0100101011101011000
321200110002000221102122
41022312120211131120
52304044020401103
6100530545120412
75543424600524
oct1126630453530
9250402027378
1080369309528
11310a241a872
12136ab629108
13776a7bc071
143c65c30d84
152155b1db38
hex12b6625758

80369309528 has 32 divisors (see below), whose sum is σ = 152647104000. Its totient is φ = 39663730080.

The previous prime is 80369309513. The next prime is 80369309557. The reversal of 80369309528 is 82590396308.

It is a self number, because there is not a number n which added to its sum of digits gives 80369309528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231423 + ... + 2267153.

It is an arithmetic number, because the mean of its divisors is an integer number (4770222000).

Almost surely, 280369309528 is an apocalyptic number.

It is an amenable number.

80369309528 is a deficient number, since it is larger than the sum of its proper divisors (72277794472).

80369309528 is a wasteful number, since it uses less digits than its factorization.

80369309528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39375 (or 39371 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 80369309528 in words is "eighty billion, three hundred sixty-nine million, three hundred nine thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 79 158 316 632 3559 7118 14236 28472 35731 71462 142924 281161 285848 562322 1124644 2249288 2822749 5645498 11290996 22581992 127166629 254333258 508666516 1017333032 10046163691 20092327382 40184654764 80369309528