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80888607356 = 22192397147657
BaseRepresentation
bin100101101010101010…
…1100011001001111100
321201210021012000010112
41023111111203021330
52311124440413411
6101054255325152
75562331550414
oct1132525431174
9251707160115
1080888607356
1131339567a27
12138155207b8
13782126ca9b
143cb4bab644
1521864e9b8b
hex12d556327c

80888607356 has 48 divisors (see below), whose sum is σ = 155647215360. Its totient is φ = 36611245440.

The previous prime is 80888607347. The next prime is 80888607389. The reversal of 80888607356 is 65370688808.

It is a junction number, because it is equal to n+sod(n) for n = 80888607295 and 80888607304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673480 + ... + 1721136.

It is an arithmetic number, because the mean of its divisors is an integer number (3242650320).

Almost surely, 280888607356 is an apocalyptic number.

It is an amenable number.

80888607356 is a deficient number, since it is larger than the sum of its proper divisors (74758608004).

80888607356 is a wasteful number, since it uses less digits than its factorization.

80888607356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48674 (or 48672 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 80888607356 in words is "eighty billion, eight hundred eighty-eight million, six hundred seven thousand, three hundred fifty-six".

Divisors: 1 2 4 19 23 38 46 76 92 437 874 971 1748 1942 3884 18449 22333 36898 44666 47657 73796 89332 95314 190628 424327 848654 905483 1096111 1697308 1810966 2192222 3621932 4384444 20826109 41652218 46274947 83304436 92549894 185099788 879223993 1064323781 1758447986 2128647562 3516895972 4257295124 20222151839 40444303678 80888607356