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70780324512 = 2537271014161
BaseRepresentation
bin100000111101011010…
…1100000101010100000
320202200210200000212110
41001322311200222200
52124424230341022
652303243555320
75054000555142
oct1017265405240
9222623600773
1070780324512
1128021714467
121187422bb40
13689cccba31
1435d64dcc92
151c93d9d00c
hex107ad60aa0

70780324512 has 48 divisors (see below), whose sum is σ = 186054103872. Its totient is φ = 23560965120.

The previous prime is 70780324481. The next prime is 70780324523. The reversal of 70780324512 is 21542308707.

It is a tau number, because it is divible by the number of its divisors (48).

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, 437289 + ... + 576872.

It is an arithmetic number, because the mean of its divisors is an integer number (3876127164).

Almost surely, 270780324512 is an apocalyptic number.

It is an amenable number.

70780324512 is an abundant number, since it is smaller than the sum of its proper divisors (115273779360).

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

70780324512 is a wasteful number, since it uses less digits than its factorization.

70780324512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014901 (or 1014893 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 70780324512 in words is "seventy billion, seven hundred eighty million, three hundred twenty-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 727 1454 2181 2908 4362 5816 8724 11632 17448 23264 34896 69792 1014161 2028322 3042483 4056644 6084966 8113288 12169932 16226576 24339864 32453152 48679728 97359456 737295047 1474590094 2211885141 2949180188 4423770282 5898360376 8847540564 11796720752 17695081128 23593441504 35390162256 70780324512