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805976907008 = 28713167207169
BaseRepresentation
bin10111011101001111111…
…01111001110100000000
32212001100220202002000212
423232213331321310000
5101201120042011013
61414132150133252
7112141600446620
oct13564775716400
92761326662025
10805976907008
112908a3a52469
12110254051228
135b00731b240
142b01c082880
1515e72db76a8
hexbba7f79d00

805976907008 has 144 divisors (see below), whose sum is σ = 1991934577920. Its totient is φ = 316937207808.

The previous prime is 805976906993. The next prime is 805976907053. The reversal of 805976907008 is 800709679508.

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 15 ways as a sum of consecutive naturals, for example, 3786848 + ... + 3994016.

Almost surely, 2805976907008 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 805976907008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995967288960).

805976907008 is an abundant number, since it is smaller than the sum of its proper divisors (1185957670912).

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

805976907008 is a wasteful number, since it uses less digits than its factorization.

805976907008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207372 (or 207358 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 805976907008 in words is "eight hundred five billion, nine hundred seventy-six million, nine hundred seven thousand, eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 167 182 208 224 256 334 364 416 448 668 728 832 896 1169 1336 1456 1664 1792 2171 2338 2672 2912 3328 4342 4676 5344 5824 8684 9352 10688 11648 15197 17368 18704 21376 23296 30394 34736 37408 42752 60788 69472 74816 121576 138944 149632 207169 243152 277888 299264 414338 486304 555776 828676 972608 1450183 1657352 1945216 2693197 2900366 3314704 3890432 5386394 5800732 6629408 10772788 11601464 13258816 18852379 21545576 23202928 26517632 34597223 37704758 43091152 46405856 53035264 69194446 75409516 86182304 92811712 138388892 150819032 172364608 185623424 242180561 276777784 301638064 344729216 371246848 449763899 484361122 553555568 603276128 689458432 899527798 968722244 1107111136 1206552256 1799055596 1937444488 2214222272 2413104512 3148347293 3598111192 3874888976 4428444544 4826209024 6296694586 7196222384 7749777952 8856889088 12593389172 14392444768 15499555904 25186778344 28784889536 30999111808 50373556688 57569779072 61998223616 100747113376 115139558144 201494226752 402988453504 805976907008